Explorez tous les épisodes du podcast Metabolic Mastery

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Should every client do a warm-up before a VO2 max test? In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber tackle a question that's surprisingly underexplored in the exercise science literature: how to properly warm up a client before metabolic testing.

They break down the three main purposes of a warm-up — transition, familiarization, and priming — and introduce their practical R.E.A.D.Y. framework to help practitioners decide exactly how much (or how little) warm-up a given client needs. From elite athletes to deconditioned beginners, from ramp protocols to fat max testing, Marc and Cameron walk through real-world scenarios, mask familiarization tips, and how to use heart rate as a readiness indicator before you ever hit "start" on the test.

You Will Learn:

• The three primary purposes of a warm-up: transition, familiarization, and priming
• Why "it depends" is the right answer for whether a client needs a warm-up
• The R.E.A.D.Y. framework: Reason, Estimate, Acclimate, Dose, and confirming they're ready
• How to use heart rate stability as a signal that a client is ready to begin testing
• Why building the warm-up into the protocol can save time without sacrificing data quality
• Tips for helping clients get comfortable with the mask and equipment before testing starts
• How to document warm-up protocols in Cardio Coach software for consistent repeat testing
• When elite athletes need a separate warm-up vs. when to skip it for deconditioned clients

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On this episode of Metabolic Mastery, hosts Dr. Marc Humbert and Dr. Cameron Garber are joined by Jody Nelson — KORR's resident metabolic testing expert with a decade of experience and a degree in exercise science — to break down a real client case study.

The client: an otherwise fit woman, 18 months postpartum, doing everything "right" — solid nutrition, consistent low-intensity walking — yet stuck in a frustrating weight loss plateau. Her VO2 max test revealed something unexpected: a surprisingly narrow fat-burning zone, a rapid heart rate spike when transitioning from walking to running, and a respiratory pattern that told a much bigger story than the numbers alone.

Marc, Cameron, and Jody walk through the respiratory rate and tidal volume graphs in real time, showing how early-test hyperventilation and anxiety can skew substrate utilization data — and why the device is almost never "wrong." They dig into the difference between being fit and being healthy, why perceived exertion is an unreliable guide, and how major hormonal shifts (postpartum, pregnancy, menopause) can scramble a client's ability to accurately read their own body.

You Will Learn:

• Why a narrow fat-burning zone doesn't always mean poor metabolic health — and what else could be going on
• How to read respiratory rate and tidal volume graphs to spot hyperventilation and test anxiety
• Why "the device is broken" is almost never the right conclusion when a test result looks unusual
• The critical difference between being cardiovascularly fit and being metabolically/physically healthy
• Why perceived exertion is an unreliable training guide and how heart rate data corrects it
• How hormonal changes during postpartum, pregnancy, and menopause affect metabolic test results
• Why testing what you intend to measure (and training for the adaptations you want) matters
• How to ask better follow-up questions instead of jumping to blood work or invasive testing
• Why "fit" doesn't always mean "healthy" — and what that means for injury risk and longevity

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In part two of this two-part series, Metabolic Mastery hosts Dr. Marc Humbert and Dr. Cameron Garber shift gears from low intensity training to high intensity — breaking down exactly what HIIT does physiologically, why it works, and how to design intervals that actually match your goals.

They start by revisiting the "three zone" model (comfortable, comfortably uncomfortable, and uncomfortable) and explain why moderate intensity — the "no progress zone" — often doesn't drive much adaptation for people who already live there. From there, they dig into the real benefits of high intensity work: rapid VO2 max improvements, stronger cardiovascular pumping, better lactate shuttling, and improved top-end speed and power.

A major focus of this episode is debunking the lactic acid myth — lactate isn't a waste product causing muscle burn, it's a valuable fuel source, and understanding how it's produced, transported, and used is key to designing smarter workouts. Marc and Cameron also walk through the "three dials" (oxidative, glycolytic, neuromuscular) and "three clocks" (time under load, interval length, recovery time) framework for designing HIIT workouts with intention — plus why heart rate alone isn't a reliable guide at high intensities, and how VO2 max testing data can pinpoint the exact speed or power to target for real adaptation.

You Will Learn:

• The difference between "comfortable," "comfortably uncomfortable," and "uncomfortable" training zones — and why the middle zone often delivers the least return
• Why lactate is a fuel source, not a fatigue-causing waste product — and how the body actually clears and uses it
• The real benefits of high intensity interval training, including rapid VO2 max gains and improved mitochondrial efficiency
• How to use the "three dials" (oxidative, glycolytic, neuromuscular) to design intervals for specific adaptations
• Why heart rate lags at high intensity and why speed/power targets (from VO2 max testing) are more reliable
• How interval length and recovery time change which energy systems you're actually training
• Why "short term hard, long term easy" beats chasing quick fixes when it comes to fitness and health
• How to avoid junk volume by matching your training to your actual physiology instead of generic templates
• The difference between HIIT-style intervals and longer threshold work — and when to use each

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Is Zone 2 training the answer or should you spend your limited workout time doing high-intensity intervals? The research can make almost any popular workout sound like the best option, but that advice often overlooks the most important variable: the individual doing the training.

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber explain why effective exercise prescription begins with your goals, physiology, injury history, available time, recovery capacity, and current fitness. They break down how the body’s energy systems work together, why heart rate zone terminology creates confusion, and how social media can turn narrow research findings into sweeping recommendations.

You’ll also learn how frequency, duration, and intensity shape an effective training plan; why progressive overload must be balanced with recovery; and what low-intensity exercise uniquely contributes to aerobic capacity, mitochondrial function, and consistency. Marc and Cameron also discuss how metabolic testing with CardioCoach can provide individualized data for selecting the training methods most relevant to a person’s needs.

The goal is not to choose the winning exercise camp. It is to find the right combination—and the right dose—for the person in front of you.

• Why there is no single best workout for every person or goal
• How goals, time, recovery, and injury history influence exercise selection
• Why the body’s energy systems behave more like dials than switches
• What different heart rate zone models mean when they refer to “Zone 2”
• How social media can overgeneralize narrowly focused exercise research
• Why frequency and duration often matter before increasing intensity
• How progressive overload drives adaptation—and when training becomes too much
• What low-intensity exercise does for aerobic metabolism and mitochondrial function
• Why moderate-intensity training may produce fewer new adaptations for some people
• How metabolic testing can support a more personalized exercise prescription

00:00 Is there a best workout?
02:23 Why popular workouts become universal recommendations
04:45 Building a personalized exercise prescription
07:00 Energy systems work together
09:28 How the body uses different fuels
11:55 Matching energy systems to your goals
14:18 Why “Zone 2” can mean different things
16:34 What HIIT research does—and does not—tell us
18:55 Frequency, duration, and intensity
21:19 How your training history changes your starting point
23:36 Looking beyond fitness advice on social media
26:02 Adapting exercise to individual limitations
30:43 Treating exercise like a precise prescription
32:59 Specific adaptation and progressive overload
35:08 Finding the right training dose
37:31 The benefits of low-intensity exercise
39:49 Volume, adaptation, and injury risk
42:08 Balancing training stimulus with recovery
44:34 The limitations of moderate-intensity training
46:59 Choosing intensity based on time and goals
49:23 Progressing from walking to higher intensity
51:49 Using individualized data to guide training
54:11 Stop choosing camps and start choosing the right dose

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The conversation begins with an introduction and background, followed by a discussion of Carol Ireton-Jones's career journey and development. The conversation then delves into research and mentorship, followed by a focus on nutrition and dietary practices. Finally, the discussion explores the concept of food as fuel and satisfaction. The conversation covers the impact of environment on food choices, the role of nutrition in GI health, and the process of creating educational resources for dietitians. It emphasizes the importance of understanding individual health history, financial constraints, and the influence of supermarket environments on food choices. Additionally, it explores the management of GI symptoms, the impact of GI disorders on quality of life, and the role of psychology in GI health. The conversation also delves into the process of creating textbooks and the impact of academic and clinical books on nutrition and GI health. The conversation covered the importance of expertise and nuance in health and nutrition, the value of admitting uncertainty, myths and misinformation in nutrition, challenges of weight loss medications, and how to connect with the expert. The discussion emphasized the need for a multidisciplinary approach to weight loss and the impact of misinformation on health and quality of life.

Takeaways

• Career development in nutrition and dietetics
• Importance of research and mentorship in the field
• Understanding food as fuel and satisfaction Understanding the influence of environment on food choices
• The role of nutrition in managing GI health Admitting uncertainty earns trust and respect
• Individualized dietary recommendations are crucial for health
• A multidisciplinary approach is essential for sustainable weight loss

Chapters

• 00:00 Introduction and Background
• 05:22 Career Journey and Development
• 13:15 Research and Mentorship
• 20:31 Nutrition and Dietary Practices
• 27:26 Food as Fuel and Satisfaction
• 29:55 The Impact of Environment on Food Choices
• 36:31 Nutrition and GI Health
• 52:47 Creating Educational Resources for Dietitians
• 01:01:40 Expertise and Nuance in Health and Nutrition
• 01:06:01 The Importance of Admitting Uncertainty
• 01:13:20 Myths and Misinformation in Nutrition
• 01:25:33 Challenges of Weight Loss Medications
• 01:30:01 Connecting with the Expert

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Ever wonder what's actually changing in your body when VO2 max stays flat but your performance improves? In this episode, we break down the hidden adaptations happening at the biochemical, cellular, and tissue levels—and why patience with your training matters more than you think.

We dive deep into energy systems (phosphocreatine, glycolytic, and oxidative pathways), explore how different muscle fiber types adapt to training stress, and reveal why rest intervals between workouts can completely change your results. Plus, discover why central fatigue, sleep, and nutrition are often the real limiting factors in your performance.

• What metabolic changes occur BEFORE you see improvements in VO2 max
• How the three energy systems work and which training style targets each one
• Why rest intervals between sets determine whether you build endurance or power
• The critical role of muscle fiber type adaptations in athletic performance
• How sleep deprivation can sabotage your training adaptations (even when everything else is perfect)
• Why your training plateau might actually be a lifestyle factor, not a programming issue
• The difference between peripheral fatigue and central nervous system fatigue
• How to individualize training based on your unique physiology and constraints
• The importance of metabolic testing beyond just VO2 max numbers
• Practical frameworks for designing training that actually produces results

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Is maintenance really possible, or is it a lie? In this episode, we debunk the myth that doing the same fitness routine forever keeps you healthy. Discover why progressive overload matters more than you think, and how the SAID principle (specific adaptation to imposed demands) explains why your body adapts—or declines—based on the demands you place on it.

We explore the six pillars of sustainable health, real-world examples of staying young at 90+, and why metabolic testing is your crystal ball for future fitness. Learn how to design a maintenance program that actually works, prevent the 10% VO2 max decline per decade, and combat muscle loss with actionable strategies.

You Will Learn:

• Why "maintenance" requires continuous progression, not repetition
• How the SAID principle drives aging and fitness adaptations
• The six pillars of health and how to optimize each one
• Real data: VO2 max, muscle mass, and metabolic rate changes with age
• Why activity levels matter more than genetics for longevity
• How metabolic testing reveals your fitness future and prevents burnout
• Practical strategies to stay active across all life stages
• Why your 93-year-old neighbor stays younger than people half his age

Learn More From Sebastian: inscyd.com

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Join hosts Dr. Marc Humbert and Dr. Cameron Garber as we explore advanced metabolic testing, energy systems training, and performance optimization with industry-leading experts.

In this episode, we dive deep into energy metabolism with Sebastian Weber, founder of Inside and renowned sports scientist. Discover why your current training zones might be limiting your progress, how lactate testing reveals hidden training insights, and the practical applications that separate elite athletes from everyone else.

• Why standardized training zones fail (and what actually works)
• The difference between VO2 Max and VLAMax — and why both matter
• How lactate production and clearance determine race strategy
• Muscle fiber recruitment patterns and why you can't neglect glycolytic power
• Real case studies: Programming for HyROX athletes, cyclists, and endurance performers
• The truth about fasted training, periodization, and training variation
• How metabolic data creates a "crystal ball" into what athletes have been doing
• Why understanding the mechanism behind training beats following trends

Perfect for coaches, athletes, fitness professionals, and anyone serious about optimizing performance through science.

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Is VO2 max testing the real deal, or is it just another fitness fad riding a social media wave? In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber pull from their "Fitness Fad Decoder" framework 10 practical questions anyone can use to separate real, sustainable science from hype and apply them directly to VO2 max testing, zone training, and cardiopulmonary exercise testing (CPET).

They break down why VO2 max is a powerful, well-validated number, but a dangerous one to chase in isolation and what actually determines whether VO2 max testing will help you build lasting fitness or just become this decade's fleeting trend.

You Will Learn:

• The 10-question "Fitness Fad Decoder" framework for evaluating any health or fitness trend
• Why VO2 max is a great indicator of fitness but not a complete picture of health or longevity
• The difference between population-based heart rate zones and physiology-based training zones
• Why chasing a single VO2 max score can actually increase injury and burnout risk
• How fat oxidation (fat-burn zone) differs from fat loss — and why the two get confused
• What determines whether high-intensity training like the Norwegian 4x4 is right for you right now
• How symptom-limited and submaximal testing can safely inform training for nearly any population
• Why cardiovascular reserve and muscle mass both matter for long-term health, not just VO2 max
• How to evaluate research claims and identify influencer overclaims around fitness trends
• Why investing in accurate metabolic testing may be one of the highest-ROI decisions for your health or your practice

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In this episode, Cameron Garber dives deep into metabolic testing with Stephen Olson, founder of Benchmark Body Metrics. Discover why your smartwatch's VO2 estimate might be 20% off, how to build an aerobic base that transforms endurance performance, and the often-overlooked breathing patterns that limit fitness gains.

From testing Everest summiteers to diagnosing why runners plateau despite consistent training, Stephen reveals the clinical secrets that separate generic fitness advice from data-driven results.

You Will Learn:

• Why VO2 max correlates with longevity (and what it actually means)
• The 3 metabolic testing methods that replace guesswork in your training program
• How to identify your true fat-burning zone—without an expensive device
• The respiratory limitation that cost one Boston Marathon qualifier 2 years of progress
• Why testing yourself 200+ times is the fastest path to coaching mastery
• How to use metabolic data to sell premium coaching packages (business angle)
• The fat oxidation graph that makes clients immediately "get" their training zones
• Why 95% of people will choose premium packages when you show them this data first

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Wearables and influencers have made VO2 max a household term but most of what's being said about it is misleading, oversimplified, or flat-out wrong. In this episode, Dr. Marc Humbert sits down with Daniel Crumback Director of International Sales at KORR, certified exercise physiologist, chartered physiotherapist, and strength and conditioning specialist to cut through the noise around VO2 max, zone training, and metabolic testing.

Daniel breaks down why devices measuring O2 only can't actually calculate a true VO2 max, why a high VO2 max doesn't mean someone is metabolically healthy, and how misapplied protocols like the Norwegian 4x4 can do more harm than good when they ignore an individual's actual limiters. Using a real case study a high-performing executive whose cardiovascular numbers looked great but whose metabolic health was quietly falling apart Daniel shows why testing without proper analysis is nearly worthless.

You Will Learn:

• Why VO2 max and VO2 peak are not the same thing, and why that distinction matters
• Why O2-only devices can't truly measure VO2 max (and what gets lost in the algorithm)
• How to identify which system — cardiovascular, respiratory, or metabolic — is actually limiting performance
• Why "zone two" and "zone five" training aren't competing philosophies but serve different physiological purposes
• What near-infrared spectroscopy (NIRS) can and can't tell you about performance
• Why lactate testing has real limits — and where marketing claims cross into dishonesty
• How AI-generated fitness advice can sound convincing while being physiologically inaccurate
• Why testing to the modality (rather than testing to find true limitations) leads to bad programming
• How proper zoning through metabolic testing can prevent long-term issues like metabolic disease
• What separates a trustworthy fitness expert from an untrustworthy one (hint: they say "it depends")

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber walk through a real-world case study of a female runner in her 40s one who was stuck in a cycle of injuries, told to stop running, and struggling to lose weight despite years of effort. Using resting metabolic rate (RMR) testing, VO2 max data, and evidence-based exercise prescription, they break down exactly how they designed a program focused on injury prevention and performance, and how weight loss followed naturally as a byproduct.

You Will Learn:

• Why telling injured runners to "rest it away" creates a vicious cycle that destroys tissue capacity over time
• How RMR data revealed this client preserved muscle mass during 12%+ body weight loss
• Why metabolic adaptation causes RMR to drop 5–30% beyond what fat loss alone explains and how to track it
• The load vs. capacity framework that allowed this client to run every single day for a year injury-free
• How Zone 2 training reduced injury risk while actually improving race paces at age 41
• Why adherence not the "optimal" program is the single biggest predictor of weight loss success
• How protein intake (1.6g/kg) and resistance training protect fat-free mass during weight loss
• The danger of false dichotomies in fitness (HIIT vs. Zone 2, cardio vs. strength) and why both are needed
• Why bone stress injuries are usually an under-fueling problem, not an overuse problem
• How to use metabolic retesting to iterate your coaching when results aren't going as expected

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In this episode of Metabolic Mastery, hosts Dr. Marc Humbert and Dr. Cameron Garber tackle one of the most misunderstood challenges in health and fitness: how to take population-based research and actually apply it to the individual in front of you — the "N of 1." With an overwhelming flood of new studies published daily, it's easy to either over-rely on research or dismiss it entirely. Marc and Cameron walk through a practical framework for reading research critically, understanding study design, and using metabolic testing data — including VO2 max and resting metabolic rate — to personalize care and training in the real world.

You Will Learn:

• What "N of 1" means and why it matters for your health and training
• How to evaluate research quality, including study design, population relevance, and statistical vs. clinical significance
• Why your VO2 max or RMR result may look "normal" but still be telling an important story about your individual trajectory
• The difference between a research roadmap and a blueprint — and how to stop confusing the two
• How Bayesian reasoning can help you update your beliefs without flip-flopping on every new study
• Why placebo effect, natural disease history, and confirmation bias can fool even experienced clinicians
• How the "evidence-based medicine funnel" works: best available research → clinical expertise → individual goals and constraints
• Real examples of how metabolic testing reveals outliers that population averages would completely miss
• Why effect size matters just as much as statistical significance when evaluating any intervention
• How to run your own mini N of 1 experiments over time using repeat metabolic testing

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LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

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Have you ever wondered how a device that just measures your breath can tell you how many calories you're burning, what fuel your body is using, and how well your heart, lungs, and muscles are working together? In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down the fascinating science behind indirect calorimetry and the CardioCoach — in plain language anyone can understand and explain.

You Will Learn:

• What metabolism actually is — and why it's so much bigger than just weight loss or fat burning
• How your body's three energy systems (ATP-PCr, glycolytic, and oxidative) work together at every intensity level
• Why the Krebs cycle and electron transport chain matter for your fitness — explained simply
• What the Respiratory Exchange Ratio (RER) is and how it reveals whether you're burning fat or carbohydrates
• How indirect calorimetry calculates calories burned from just your breath — and the foundational science behind it
• What VO2, VCO2, and VO2 pulse actually mean and what they tell us about your cardiovascular health
• Why metabolic testing isn't just for elite athletes — and how it can help anyone exercise smarter and live longer

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Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

Are you optimizing your workouts based on short-term signals that may not actually lead to long-term results? In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down one of the most misunderstood concepts in fitness — the difference between what happens in your body during a single workout versus what actually drives lasting adaptation over time.

You Will Learn:

• Why fat oxidation during a workout is NOT the same as fat loss over time
• The real science behind fasted cardio and train-low strategies — and when they help or hurt
• Why cortisol and insulin get unfairly demonized, and what they actually do in your body
• How short-term hormonal spikes (testosterone, IGF-1, cortisol) do or don't predict long-term outcomes like muscle growth
• Why Zone 2 training drives mitochondrial and cardiovascular adaptation — and how metabolic testing helps you stay in the right zone
• A practical framework for evaluating health and fitness claims you see on social media
• Why consistency — not any single workout strategy — is the biggest lever for long-term health

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

Think your metabolism fell off a cliff the moment you hit your 40s? Think again. In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down the real science behind aging and metabolism — and why most of what you've been told is a myth.

You Will Learn:

• Why aging isn't the real culprit behind weight gain, injury, and metabolic slowdown — and what actually is
• How your stage of life (not your age) creates the "perfect storm" that wrecks your health
• The truth about wear and tear, and why your old injuries probably aren't the reason you're still hurting
• Why NEAT (non-exercise activity thermogenesis) may matter more than your workouts
• How to use Zone 2 training and metabolic testing to exercise in a way that actually builds you up instead of breaking you down
• Why muscle is the organ of longevity — and exactly what happens when you lose it
• Simple, sustainable strategies to defy aging and actually improve with time

Follow KORR:

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Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber pull back the curtain on the practical tips, shortcuts, and workflows that separate good metabolic testing data from great data. Whether you're just getting started with VO2 max and RMR testing or you've been doing it for years, this episode is packed with actionable knowledge that will immediately improve your results.

You Will Learn:

• How to standardize your pre-test, during-test, and post-test workflow for more consistent, reliable results
• Why restarting your computer before every test is one of the highest-leverage things you can do
• The right way to fit a metabolic mask — and how to perform a seal test to confirm it
• How heart rate straps actually read data (and the common mistake that gives you garbage readings)
• What causes false highs and false lows in RMR testing — and how to tell the difference
• How holding the treadmill rail can tank a VO2 test and what to look for in the data
• The ideal RMR test window and why cutting a test to 10 minutes can cost you accuracy
• How to interpret true vs. false metabolic values and use them as a clinical conversation starter
• Software tips for CardioCoach users including custom plots, database backups, and manual heart rate zone selection
• When to suspect the device vs. the individual — and how to troubleshoot each scenario

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

Is cardio bad for your knees? Does running destroy your joints? Will endurance training make you weak? In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber tackle the most common endurance training myths circulating on social media and break down what the science actually says.

They explore why cardio gets such a bad rap, how incorrect dosing — not the activity itself — is responsible for most exercise-related injuries, and why the "cardio vs. strength training" debate is a false choice. The doctors also dig into how VO2 max is a powerful proxy for whole-body health, why your heart actually benefits from endurance training, and how individualized metabolic testing can help you finally exercise smarter, not just harder.

You Will Learn:

• Why "overuse injury" is actually a misleading term — and what's really happening
• How zone training prevents knee pain and accelerates recovery
• Why VO2 max is one of the greatest predictors of longevity
• The truth about cortisol, inflammation, and what exercise actually does long-term
• Why endurance athletes live longer — and what the data says about strength-only athletes
• How to dose exercise like a prescription to get results without burning out

   

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  Instagram: https://www.instagram.com/korrmedical/ 

  Facebook: https://www.facebook.com/korrmedical/ 

  LinkedIn: https://www.linkedin.com/company/korrmedical

  https://korr.com/ 

  Listen to the Metabolic Mastery Podcast:

  Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

  Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

  YouTube: https://www.youtube.com/@korrmed/podcasts 

  YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

  Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

   

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, hosts Dr. Marc Humbert and Cameron Garber sit down with Daniel Crumback — KORR's Director of International Sales, certified exercise physiologist, chartered physiotherapist, and certified strength and conditioning coach — for a deep dive into one of the most overlooked data sets in metabolic testing: respiratory values. While most practitioners stop at VO2 max or basic metabolic markers, Daniel reveals how tidal volume, breathing frequency, and lung function norms can expose performance limiters that no one else is talking about. From RMR test quality issues caused by over-breathing, to identifying whether an athlete has a respiratory capacity or capability problem, this episode is packed with clinical insight and real-world testing examples.

You Will Learn:

• Why most RMR tests produce invalid data — and how breathing pattern is usually the culprit
• What normal tidal volume and respiratory frequency look like at rest and across all training zones
• How to use the GLI (Global Lung Function Initiative) calculator to establish personalized respiratory norms
• How to calculate peak tidal volume as a percentage of predicted FEV1 to identify respiratory limitation
• Why VE (minute ventilation) masks serious breathing problems that individual respiratory values reveal
• How hyperventilation impairs oxygen delivery, cardiovascular output, core stability, and decision-making
• The difference between a respiratory capacity limitation vs. a capability limitation — and why the training response is completely different
• How recovery data after an exercise test reveals critical information about breathing patterns
• Why you should never remove the mask at the end of a test — and what that post-effort data tells you
• Practical strategies for improving test quality and helping clients breathe normally during RMR testing 

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A The Protocol Guide: https://korr.com/go/metabolic-testing-protocol-guide/

Ever wonder why a client's VO2 max result seems "off" — or why two tests on the same person produce wildly different numbers? The answer almost always comes down to protocol design. In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber walk through a practical, step-by-step algorithm for choosing the right metabolic testing protocol for every type of client — from the completely deconditioned to the elite competitor.

You Will Learn:

• The single most important principle in metabolic testing: how to "test what you intend to measure"
• How to assess a client's fitness history and goals to determine the right testing mode (cycling, treadmill, rowing, hiking, and more)
• Why protocol choice directly impacts the accuracy of VO2 max, heart rate zones, and substrate utilization data
• A watt-by-watt breakdown of cycling protocol progressions (10W to 30W increments) matched to fitness level and gender
• Treadmill protocol design for walkers, joggers, runners, ruckers, and elite athletes — including how to handle the "awkward zone" between walking and jogging
• When and how to run a submaximal test safely, and how the CardioCoach extrapolates VO2 max from incomplete efforts
• How to adjust protocols on the fly without compromising your data
• Why standardizing your decision-making process (not your protocol) is the key to consistent, comparable results across retests
• Equipment considerations — why walking pads fall short and what treadmill specs actually matter
• How strength training history informs both protocol design and exercise prescription

Whether you're just starting out with metabolic testing or looking to tighten up your workflow, this episode gives you a repeatable framework you can apply immediately with any client.

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down one of the most commonly misunderstood areas of exercise physiology testing: how to properly design submaximal and maximal VO2 tests. Whether you're working with elite athletes, deconditioned beginners, firefighters, or everyone in between, the best test isn't the hardest one — it's the one designed to measure exactly what you need to know.

Marc and Cameron walk through equipment selection, protocol design, test length, and the critical indicators that confirm a true VO2 max has been reached. They also explore why calling it "exercise metabolic testing" rather than "VO2 max testing" opens the door to richer, more actionable clinical data — including fat oxidation, lactate thresholds, energy system analysis, and more.

You'll Learn:

• Why "test what you intend to measure" should guide every protocol decision
• How to choose the right exercise modality (treadmill, cycle, rucksack, and more) based on your client's primary activity
• The ideal test length range and how to avoid peripheral fatigue skewing your results
• Key indicators of a true VO2 max: VO2 plateau, RER thresholds, RPE, and age-predicted heart rate percentage
• The difference between VO2 max and VO2 peak — and why it matters clinically
• When submaximal testing is the smarter (and safer) choice
• How the Cardio Coach enables extrapolated VO2 max from submaximal data — and its limitations
• Pre-participation screening tools like the PAR-Q and how they shape your test design
• Why VO2 max alone doesn't tell the whole performance story

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

Most patients know they should exercise — but knowing and doing are two very different things. In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber tackle one of the most overlooked areas in obesity medicine: exercise prescription for patients who are just starting their fitness journey.

Drawing on insights from the OMA (Obesity Medicine Association) conference, they break down why generic exercise advice fails, how providers can think about movement as a titratable prescription, and why the frequency → duration → intensity framework is the key to sustainable progress without burnout or injury.

You'll Learn:

• Why most exercise programs fail deconditioned patients — and what to do differently
• The frequency → duration → intensity framework for building lasting exercise habits
• How to think about "minimum effective dose" when prescribing movement
• Why exhaustion is not the same as effectiveness
• How VO2 max and submaximal testing can guide exercise prescription for obese patients
• The role of progressive overload — and how to explain it to patients
• How to identify and work around gym intimidation, joint pain, and fear of movement
• Why non-scale victories matter and how to use them to build patient motivation
• How to connect exercise to patients' personal goals (grandkids, horses, basketball) for real buy-in
• How providers with limited time can still make a meaningful difference through referral networks and the right questions

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

Obesity is one of the most misunderstood public health crises of our time — and for decades, we've been getting the conversation wrong. In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber take a deep, honest look at why blaming individuals for obesity ignores the biological, social, and environmental forces stacked against them.

From the Minnesota Starvation Experiment to walkable European cities, from hunger hormones to hyper-palatable processed foods, Marc and Cameron break down the real science of why our bodies resist weight loss — and what we can actually do about it. They also clarify some of the most commonly confused terms in the fitness world: fat oxidation, fat burn, fat loss, and weight loss — and why mixing them up leads people to the wrong conclusions.

You Will Learn:

• Why obesity is a public health issue and an individual challenge — and why the answer is always "both"
• The biological mechanisms (hunger hormones, metabolic adaptation) that make weight loss genuinely hard
• The critical differences between fat oxidation, fat burn, fat loss, and weight loss
• Why lean mass is not the same as muscle — and what "fat-free mass" actually means
• How sleep, stress, hormones, and movement are just as important as diet in managing body weight
• Why slow, steady weight loss preserves muscle and leads to better long-term outcomes
• How GLP-1 medications work as a tool to "put on glasses" and restore food choice clarity
• How community design, zoning laws, and food environments shape our health decisions
• Why metabolic testing (RMR + VO2 max) is a vital sign that should be part of every annual checkup
• How the Cardio Coach helps individualize exercise and nutrition programming for real people

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

If your VO2 max or RMR testing isn't dialed in, the data is useless.

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down the real reason most metabolic tests fail—and it's not the device.

It's the protocol.

From fasting mistakes and caffeine interference to poor test setup and bad coaching during the test, small variables can completely skew results. And if your data is off, every recommendation you make after that is off too.

This episode walks you through how to standardize your testing, troubleshoot bad results, and ensure you're actually measuring what you think you're measuring.

Because better data = better decisions = better outcomes

• Why standardization is the key to accurate VO2 and RMR testing
• The "Big 3" test prep rules: fasted, rested, uncaffeinated
• How caffeine, stress, and exercise can skew metabolic results
• Why most bad test results are NOT the machine's fault
• How to identify false high or low RMR readings
• The biggest mistakes people make during VO2 testing
• How to choose the right protocol based on the client
• Why some people don't hit anaerobic threshold (AT)—and what to do
• When to retest vs. trust the data
• How to interpret results when they don't match expectations

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

Most people think there's a "best" way to test VO2 max—but that question is completely wrong.

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down the real answer behind bike vs treadmill testing, why results can vary drastically, and how poor testing choices can completely mislead your training.

From athletes to everyday clients, choosing the wrong testing modality can lead to inaccurate heart rate zones, flawed exercise prescriptions, and wasted training effort.

This episode gives you a clear framework to ensure your testing actually matches your goals—so you stop guessing and start optimizing.

• Why there is no "best" testing method—only the right one for your goal
• How bike vs treadmill testing changes VO2 max results
• The biggest mistake coaches make when prescribing exercise zones
• Why muscle recruitment dramatically impacts test outcomes
• How to choose the right modality based on your client or sport
• The hidden dangers of mismatched testing and training modes
• Why repeatability matters more than perfection in testing
• How different modalities affect heart rate zones and perceived effort
• The role of safety, experience, and biomechanics in test selection
• Why testing should mirror real-world performance as closely as possible
• How improper testing can lead to overtraining or undertraining
• The difference between muscular fatigue vs cardiovascular limitation
• Why cross-training requires separate testing for accuracy
• How to use testing data to improve—not criticize—clients
• The framework for designing smarter, more effective metabolic tests

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down the science of body composition and body recomposition—including why so many people want to lose fat while preserving or even building muscle, and why that process is often harder than it sounds.

They explain how calorie deficits affect lean mass, why protein intake and resistance training are critical during weight loss, and how the body adapts over time by slowing metabolism, reducing activity, and increasing hunger signals. They also dive into the difference between fat oxidation and fat loss, why many people hit frustrating plateaus, and how tools like RMR testing and VO2 exercise testing can help create more accurate, individualized strategies for long-term success.

This episode is a practical, science-based look at how to improve body composition without relying on guesswork, crash diets, or misleading "fat-burning" claims.

• What body recomposition really means

• Why losing fat while preserving muscle is challenging

• How calorie deficits can affect lean mass and resting metabolic rate

• Why protein intake matters during weight loss

• The role resistance training plays in preserving and building muscle

• Why fat oxidation does not automatically mean fat loss

• How sleep, recovery, and stress impact body composition changes

• Why weight-loss plateaus happen and how metabolic testing can help

• How RMR and VO2 testing can create a more personalized plan

• Why sustainable lifestyle changes matter more than rapid weight loss

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down the business side of metabolic testing and why great data alone is not enough to create a successful health, fitness, or wellness business.

They explore how providers can use VO2 max testing, resting metabolic rate testing, and broader metabolic assessments not just as clinical tools, but as part of a stronger business model that improves client outcomes and creates more long-term value. Drawing from their experience building BodySmart, they walk through the evolution from insurance-based care to cash-pay services, packages, memberships, and long-term transformation models.

This conversation also dives into one of the biggest mindset shifts in healthcare and fitness: charging appropriately so you can stay in business long enough to actually help more people. If you have ever wondered how to price testing, create better client buy-in, improve retention, or build referral loops around metabolic testing, this episode is packed with practical insights.

• Why successful businesses are essential if you want to truly help more people

• How to position metabolic testing as an investment in health, not just an expense

• The difference between using testing as a direct revenue stream versus a value add

• How BodySmart evolved from traditional physical therapy into a wellness-focused model

• Why behavior change requires longer-term care models, not just quick fixes

• How better storytelling and better listening improve compliance and client outcomes

• How to identify your target audience and build services around their needs

• Why staff buy-in is critical when adding metabolic testing to your business

• How referral partnerships can accelerate growth for a testing-based business

• A simple way to think about ROI when adding VO2 max and RMR testing to your practice

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down how VO2 max testing has evolved from a bulky, university-lab-only tool into a practical, clinic- and gym-ready system that can transform both client outcomes and the way health and fitness professionals operate.

They explain why VO2 max is one of the strongest predictors of long-term health, how modern metabolic testing goes far beyond a single score, and why understanding things like fat burning, carbohydrate use, cardiovascular fitness, muscular health, and recovery capacity gives a much more complete picture of human performance.

Using real case examples, they show how testing can uncover hidden problems, guide better training and nutrition decisions, and help create personalized programs that actually fit the individual instead of relying on generic formulas or wearable estimates. They also explore what makes a quality metabolic cart accurate, why calibration and system design matter, and how better data leads to better health, better coaching, and better outcomes.

• Why VO2 max is such a powerful predictor of health and longevity

• What has changed in VO2 max testing over the years

• Why modern metabolic testing is now practical for clinics, gyms, and health clubs

• Why VO2 testing is about much more than just one number

• How substrate use helps reveal fat burning and carbohydrate burning patterns

• Why both strength training and cardio matter for long-term health

• How metabolic testing helps personalize exercise and nutrition plans

• Why averages, formulas, and wearables can miss what an individual really needs

• What to look for in an accurate metabolic testing system

• How better testing can help people live healthier, more independent lives longer

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/ 

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down the growing push for precision exercise prescription and why standard fitness recommendations often miss the mark for the individual. Using a recent consensus statement from leading exercise science organizations as the foundation, they explore why the industry needs clearer terminology, more consistent intensity definitions, and more personalized ways to prescribe exercise.

They unpack the confusion around terms like ventilatory threshold, lactate threshold, metabolic threshold, and heart rate zones, and explain why population-based recommendations are useful for public health but often fall short when it comes to helping real people improve fitness, avoid plateaus, and reduce injury risk. The conversation also dives into VO2 testing, substrate utilization, strength training intensity, recovery, and why better data leads to better outcomes.

If you have ever wondered why two people can do the "same workout" and get very different results, this episode explains exactly why.

• Why exercise prescription should be individualized instead of based only on generic guidelines

• How inconsistent terminology creates confusion in exercise science and coaching

• The difference between public health activity recommendations and performance-based exercise prescription

• Why metabolic thresholds matter more than simple percentage-based training methods

• How VO2 testing helps create more accurate heart rate zones and training targets

• Why some people plateau even when they think they are training in the right zone

• How to think about minimum effective dose versus maximal recoverable volume

• Why intensity and duration must be balanced carefully to avoid burnout and injury

• How resistance training intensity differs from cardiovascular training intensity

• Why precision exercise prescription can improve adherence, recovery, and long-term results

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

How many calories did you really burn during your workout?

Your watch says 600. The treadmill says 450. Your app says 700. Who's right?

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down how exercise calories are estimated, why most methods are flawed, and how metabolic testing using indirect calorimetry changes the game.

They explain how resting metabolic rate (RMR), MET values, and predictive equations are used inside software tools, why wearables often overestimate calorie burn, and how VO₂ testing allows clinicians to dial in nutrition and exercise with far greater precision.

Most importantly, they discuss how accurate data helps practitioners move from blaming patients to partnering with them — using physiology instead of assumptions to guide better outcomes.

• Why exercise calories are always estimates (unless you're in a metabolic chamber)

• How RMR and METs are used to calculate calorie burn

• Why wearables can be 28–93% inaccurate

• The difference between accuracy and precision in tracking data

• Why exercise only accounts for ~5% of total daily energy expenditure

• The truth about EPOC and post-workout calorie burn

• How underfueling leads to RED-S and metabolic downregulation

• How VO₂ testing personalizes heart rate zones and fuel usage

• Why accurate data allows clinicians to coach with compassion instead of blame

• How metabolic testing creates a prescriptive roadmap instead of guesswork

   

  Follow KORR:

  Instagram: https://www.instagram.com/korrmedical/ 

  Facebook: https://www.facebook.com/korrmedical/ 

  LinkedIn: https://www.linkedin.com/company/korrmedical

  https://korr.com/ 

  Listen to the Metabolic Mastery Podcast:

  Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

  Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

  YouTube: https://www.youtube.com/@korrmed/podcasts 

  YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

  Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

   

Get A Demo: https://korr.com/contact/video-demo/

If you've ever looked at a metabolic test report and thought, "I should know what this means… but I don't," this episode is for you.

In this Metabolic Mastery episode, Dr. Marc Humbert and Dr. Cameron Garber break down the terminology behind metabolic testing — without hiding behind jargon. From VO2 and VCO2 to RER, ventilatory thresholds, METs, oxygen pulse, and cardiac output, they translate complex physiology into clear, usable concepts.

Using simple analogies like furnaces, fuel types, and engine efficiency, they explain how oxygen is used, how fuel sources shift with intensity, and why thresholds matter for both health and performance.

This episode is your Rosetta Stone for metabolic testing — helping you interpret data with confidence and communicate results clearly to patients and clients. 

• What VO2 actually measures (and what VO2 max does not tell you)

• The difference between VO2 and VO2 max

• How VCO2 and Respiratory Exchange Ratio (RER) reveal fuel usage

• Why fat adaptation changes endurance performance

• The difference between VT1, VT2, aerobic threshold, anaerobic threshold, and lactate threshold

• Why lactate is not "lactic acid" — and why that matters

• What minute ventilation, tidal volume, and breathing frequency indicate

• How oxygen pulse reflects cardiovascular efficiency

• Why heart rate recovery is a powerful health metric

• How to use metabolic testing data to design better training programs

Follow KORR:

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Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon:  https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

Note: Part of this episode uses charts. Check out the video version to see them in action.

Respiratory limitations are one of the most overlooked performance bottlenecks in exercise physiology, and they can quietly cap results even in highly trained athletes. In this episode, Daniel Crumback breaks down how to identify respiratory limitations using ventilatory patterns you can already see in metabolic testing data—without getting fooled by "good" minute ventilation (VE).

You'll hear why breathing is controlled differently across intensities, why CO₂ clearance becomes the dominant driver in Zone 4–5, and why trying to "force" nasal breathing or slow breathing during testing and training can backfire. Daniel walks through practical interpretation using breathing frequency + tidal volume, explains how to use GLI predicted values to establish norms, and outlines the seven major types of respiratory limitations—so you can stop guessing, stop mislabeling problems as metabolic, and start fixing the true limiter.

• Why VE can look "good" even when breathing is inefficient (and why it can fool you)

• How to read breathing using tidal volume (VT) + breathing frequency (BF) across zones

• The real role of breathing at higher intensities: CO₂ removal and pH control

• How to compare Peak VT to predicted FEV1 using GLI norms (and why 75–85% matters)

• The 7 respiratory limitation types (capacity, capability, coordination, and more)

• When resistive breathing devices help—and when they reinforce the wrong adaptation

• How respiratory limits can mask as "metabolic problems" by disrupting O₂ offloading

• When poor response to training is a red flag that warrants medical referral

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber sit down with Greg Marshall, founder of Fitcher Marketing, to talk about the part of health business that most clinicians avoid: selling.

Greg breaks down why "getting more leads" is the wrong target (sales are the target), why great selling is really leadership + empathy, and how to use question-based selling to help people move forward without pressure or gimmicks. They also connect it directly to metabolic testing: if VO₂ max is a "vital sign," then marketing these services isn't hype — it's getting the right message to the people who need it.

You'll hear practical frameworks like going three layers deep, addressing the emotion behind objections (warranty, price, "I need to think about it"), and why your best long-term clients are often the "hardest" initial sales.

• Why "more leads" doesn't matter if it doesn't convert into revenue

• The mindset shift from "selling" to selling to help

• How to use question-based selling to let clients persuade themselves

• A simple way to neutralize "I need to think about it" without being pushy

• How to uncover the real reason behind price, spouse, and warranty objections

• Why discounting too fast can actually "cheat" the customer

• How to sell high-ticket health services ethically by selling outcomes, not features

• How to create a "start small, build the muscle" spending plan for marketing/ad budgets

• Why congruence (your real personality + core values) sells better than scripts

• How better selling improves compliance in clinic-based programs

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

VO2 max is having a moment—and with popularity comes misinformation. In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down the most common myths and misconceptions around VO2 max, why "more breath" usually isn't the problem, and how performance depends on far more than one number. They cover what's actually trainable, why wearables can mislead, how fat burning and VO2 max don't always move together, and why the best program isn't the most intense—it's the one you can recover from and repeat.

• Why VO2 max is not "lung capacity," and what typically limits most people

• How trainable VO2 max really is—and why "genetics" is often an excuse

• Why VO2 max alone doesn't predict who wins (threshold, economy, utilization matter)

• Why VO2 max matters for longevity and mortality risk—not just athletes

• How Zone 2 and high-intensity work fit together (and why "moderate-hard" stalls progress)

• Why higher VO2 max doesn't automatically mean better fat burning

• Where wearables help, where they don't, and how to interpret the data responsibly

• How metabolic testing can reduce guesswork and improve training decisions

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

"First, do no harm" is supposed to be the starting point for every health professional—but in modern healthcare and fitness, we can unintentionally do harm through fear-based language, incomplete informed consent, and "majoring in the minors" while ignoring the behaviors that move the needle most.

In this episode, Dr. Marc Humbert and Dr. Cameron Garber break down how misinformation and nocebo language can increase pain, reduce confidence, and drive people into fear-avoidance patterns that worsen outcomes over time. They also explain why uncertainty is so stressful for patients, how neutral data can create clarity and alignment, and how better testing and better questions lead to better decisions—without unnecessary restrictions or burnout.

• What "first, do no harm" means in a modern clinical and coaching context

• How fear-based or nocebo language can increase pain and reduce adherence

• What informed consent should include (options, tradeoffs, short- vs long-term consequences)

• Why pain is not always a sign of damage—and how beliefs can amplify symptoms

• How the biopsychosocial model reframes pain, recovery, and long-term resilience

• The hidden harm of low-value interventions and "majoring in the minors"

• Why bad exercise prescriptions lead to burnout, injury, and dropout

• How heart-rate zones get misapplied—and why accurate zones support sustainable progress

• Why the most harmful message is convincing people they're fragile

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/ 

"Calories in, calories out" is a real principle—but it's not a helpful plan unless you understand what drives each side of the equation. In this episode, Dr. Marc Humbert and Dr. Cameron Garber break down the physiology behind energy balance, why scale weight can be wildly misleading, and why people feel stuck even when they're "doing everything right."

You'll hear how appetite, food processing, stress, sleep, and the modern food environment quietly push calories in—while metabolic adaptation, sedentary lifestyles, and declining NEAT (non-exercise activity thermogenesis) suppress calories out. Then, the conversation shifts to what actually works long-term: building sustainable systems, using exercise to "tune up the machine," and focusing on body composition and metabolic health instead of daily scale fluctuations.

• Why calories in vs. calories out is true—and why it still feels like it "doesn't work" in real life

• The difference between scale weight vs. fat mass, and why day-to-day weigh-ins can create false conclusions

• How macronutrient shifts, sodium, digestion, and water retention can swing the scale fast without changing body fat

• The biggest drivers of "calories in": energy density, hyper-palatability, labels/portion variability, absorption, stress, and sleep

• Why NEAT is often the hidden lever for fat loss (and why "just exercise more" is rarely the answer)

• What metabolic adaptation is, why plateaus happen, and how RMR testing can guide smarter adjustments

• How VO₂ testing and heart-rate zones change over time—and why retesting improves results

• The real relationship between hormones/menopause/aging and body composition (including fat distribution changes)

• Why fitness can outweigh BMI for health risk—and why "losing weight fast" can backfire metabolically

• A practical framework to reduce shame: skill gap vs. will gap vs. environment gap

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Follow Dr. Asa Andrews:

YouTube: https://www.youtube.com/@DrAsa

Instagram: https://www.instagram.com/drasa/

Facebook: https://www.facebook.com/DrAsaAndrew/

TikTok: https://www.tiktok.com/@drasa

Website: https://www.drasa.com/

 In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber sit down with Dr. Asa Andrew, physician, chiropractor, functional medicine expert, and host of the nation's largest health talk radio show.

Dr. Asa shares his unique journey from professional wrestling to clinical practice—and back again—highlighting how metabolic testing, VO₂ max, and cardiorespiratory fitness have become foundational tools for performance, injury prevention, and long-term health.

From elite athletes and entertainers to everyday patients in their 70s and 80s, this conversation explores why VO₂ max should be treated as a key vital sign, how it predicts longevity more effectively than many traditional metrics, and why most age-related decline is driven by deconditioning—not aging itself.

This episode bridges the gap between healthcare and fitness, showing how actionable metabolic data empowers people to stop guessing, avoid burnout, and take the next right step toward better health—at any age.

• Why VO₂ max is one of the strongest predictors of longevity and all-cause mortality

• How metabolic testing improves safety and performance in high-demand sports like professional wrestling

• The difference between weight loss and healthy weight loss that preserves lean mass

• Why many signs of "aging" are actually the result of inactivity and lost capacity

• How VO₂ max and RMR testing guide personalized training and nutrition decisions

• Why fitness and healthcare must converge to support long-term health outcomes

• How actionable data helps patients avoid pseudoscience and fitness fads

• Why it's never too late—or too early—to improve cardiorespiratory fitness

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

Biomarkers are everywhere in health, fitness, and wearable technology—but more data doesn't always mean better insight. In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down what biomarkers actually are, why not all biomarkers are created equal, and how misleading metrics can obscure meaningful health decisions.

The conversation cuts through buzzwords like "cellular fitness," "biological age," and proprietary health scores to explain the difference between measured, calculated, and extrapolated biomarkers. You'll learn why standardized testing conditions matter, how poor data can lead to decision paralysis, and why the best biomarkers don't give answers—they help you ask better questions.

If you've ever wondered whether your health data is actionable or just decoration, this episode provides a clear framework for evaluating biomarkers and using them responsibly to improve real-world health outcomes.

• What a biomarker actually is—and why definitions matter

• The three tiers of biomarkers: measured, calculated, and extrapolated

• Why more biomarkers do not automatically mean better insight

• How marketing-driven health scores can mislead patients and clinicians

• Why VO₂ max is a powerful biomarker—and where its limits are

• The importance of standardized testing conditions for repeatable results

• How wearables can create anxiety and decision paralysis when misused

• Why biomarkers should reduce uncertainty, not add noise

• How good data leads to better questions—not instant answers

• A practical framework for deciding which biomarkers are truly useful 

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down why metabolic testing is one of the most powerful tools for improving health, fitness, and longevity—regardless of your current fitness level.

From beginners restarting after years away from exercise to advanced athletes stuck in cycles of injury or plateau, this conversation explains why relying on generic programs, social media workouts, or willpower alone often leads to burnout, frustration, and inconsistent results.

The doctors explain why VO2 max, while valuable, tells only part of the story—and how comprehensive metabolic testing reveals how your muscles, heart, lungs, and metabolism actually work together. With the right baseline data, fitness becomes personalized, measurable, and sustainable.

If you're tired of guessing, restarting every January, or following plans that don't fit your body or lifestyle, this episode shows how better data leads to better decisions—and better outcomes.

• Why motivation alone isn't enough to achieve long-term fitness success

• Why VO2 max is important—but not the full picture of health or performance

• How metabolic testing creates a personalized fitness and longevity roadmap

• Why beginners, intermediates, and elite athletes all benefit from testing

• How improper training leads to burnout, injury, and plateaus

• Why consistency—not intensity—wins in the long run

• How metabolic data helps match training effort to real physiological goals

• Why metabolic testing is a baseline you can't "fail"

• How testing supports fat loss without sacrificing muscle or metabolic health

• Why starting with data prevents the cycle of stop-and-start fitness

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber are joined by Daniel Crumback (Director of International Sales at Core Medical Technologies, and Director of Strategic Health & Performance) to break down how physiological testing can uncover the real reason someone stalls in fitness, performance, and health.

Most people think VO2 max and RMR testing ends with a score and a set of training zones. Daniel makes the case that's just the surface. By analyzing oxygen and carbon dioxide data (not O2 alone), you can differentiate whether a person is primarily limited by cardiovascular capacity, respiratory mechanics, metabolic flexibility, neuromuscular function, or efficiency—and then build training and nutrition prescriptions around the true limiter instead of guessing.

The team also walks through practical interpretations: heart rate recovery, VO2 peak vs VO2 max, tidal volume vs breathing frequency, fat/carbohydrate crossover, peak fat oxidation, and "efficiency" markers like VO2 per breath and VO2 pulse. They emphasize why protocol design matters, how bad assumptions (like mis-set warmups or mislabeled "fat max") lead to wrong prescriptions, and why retesting every 8–12 weeks is the difference between "working out" and actually improving physiology.

• How to identify whether a person's primary limiter is cardio, respiratory, metabolic, neuromuscular, or efficiency

• The difference between VO2 peak vs VO2 max, and why it matters for prescribing training

• Why O2 + CO2 measurement unlocks a deeper analysis (fat oxidation, crossover, metabolic flexibility)

• How to interpret heart rate recovery and what it can indicate about stress and cardiovascular fitness

• What tidal volume vs breathing frequency can reveal about respiratory limitations and hyper/hypoventilation

• How to use fat/carbohydrate crossover and peak fat oxidation to spot metabolic dysfunction (and training mistakes)

• Why "zone 2" prescriptions often fail without correct protocol setup and correct interpretation

• How METs relate to real-world function and why very low METs can signal broader limitations

• Two powerful efficiency lenses: VO2 pulse (oxygen per heartbeat) and VO2 per breath (oxygen per breath)

• A practical retesting cadence: why 8–12 weeks after consistent implementation is the sweet spot 

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber walk through a real-world consultation involving a collegiate runner whose metabolic test results didn't match expectations. What starts as a simple test review turns into a deep exploration of training errors, load vs. capacity, the dangers of chronic overload, and how individualized training can transform performance and longevity.

Cameron and Marc break down why athletes—especially collegiate endurance athletes—often fall into cycles of injury, overtraining, and frustration. They discuss how heart rate–based training, metabolic testing, fueling strategies, and better lifestyle assessment can uncover the true causes of plateaued performance. You'll learn how elite runners train (hint: much slower than you think), why most people spend too much time in Zone 3, and what it takes to build a resilient, high-performing athlete.

This episode is a masterclass in how to ask the right questions, interpret metabolic data, and design training that keeps athletes in the game rather than sidelined by injury.

• How to interpret metabolic test results in the context of an athlete's training history

• Why most performance problems are training errors, not equipment errors

• The difference between overload vs. overuse, and why it matters for injury prevention

• How chronic life stress, poor sleep, and inadequate fueling disrupt performance

• Why Zone 2 training is foundational—and why Zone 3 can be the "no-progress zone"

• How elite athletes use slow training to build world-class performance

• The importance of heart rate auto-regulation for day-to-day training decisions

• How metabolic testing improves fueling strategies, resilience, and recovery

• Why individualized plans outperform group training standards

• How to design the right test based on the athlete's goals and limitations

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get the book:

https://shopenrgperformance.com/hard-copy-books-1  https://shopenrgperformance.com/ebooks

And Learn More About Bob:

Website: https://www.enrgperformance.com/metabolic-efficiency-training 

YouTube: https://www.youtube.com/@Enrgperformance 

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber sit down with Bob Seebohar – registered dietitian, exercise physiologist, founder of the Metabolic Efficiency Training™ concept and Energy Performance, and author of Metabolic Efficiency Training (3rd Edition).

Bob shares how failing his first sprint triathlon as a "land athlete" soccer player became the catalyst for a career spent in the trenches with athletes. He walks through the origins of nutrition periodization, the birth of metabolic efficiency testing, and why traditional "just eat more carbs" advice often leads to GI distress, underperformance, and confusion—especially for recreational athletes.

You'll hear how metabolic carts, substrate oxidation data, and smart training can transform an athlete from a carb-dependent "sugar burner" into a fat-burning, metabolically efficient machine, all while improving health, longevity, and performance.

• Bob's unique path from exercise physiologist to registered dietitian and how that dual background shaped Metabolic Efficiency Training.

• Why energy systems matter (aerobic vs anaerobic) and how misunderstanding them wrecked Bob's first triathlon—and shaped his entire career.

• The origin of nutrition periodization and why athletes should eat to train, not train to eat.

• How GI distress in endurance sports led Bob to develop metabolic efficiency testing and rethink high-carb race fueling.

• What metabolic efficiency testing actually measures:

  • Fat vs carbohydrate oxidation

  • The metabolic efficiency (crossover) point

  • Calories burned per hour

  • How to turn that data into precise fueling plans

• Why so many recreational runners and triathletes show up as "pure carb burners" on the metabolic cart—and what to do about it.

• The difference between elite fueling strategies and what's realistic (and safe) for everyday athletes.

• How optimizing blood sugar and fat oxidation improves performance and long-term health and longevity.

• Why Zone 2 training is so uncomfortable mentally, and how heart rate monitors should mostly be used to hold you back, not push you harder.

• How metabolic efficiency testing can guide calorie and carbohydrate intake per hour instead of guessing from generic "30–90g carbs per hour" charts.

• The role of metabolic flexibility and how to train your body to use the right fuel at the right time.

• The power of N=1 experiments and why self-testing (with good equipment) is one of the fastest ways to gain coaching wisdom.

• Why Bob advocates simple, qualitative nutrition models instead of obsessive calorie and macro counting for most people.

• The difference between biological hunger, habitual hunger, and emotional hunger, and how each one affects performance and body composition.

• How often you should feel hungry if your blood sugar and fat oxidation are dialed in.

• Why Bob waited 10 years to release the 3rd edition of Metabolic Efficiency Training and what's new in it (masters athletes, updated strategies, case studies).

Get A Demo: https://korr.com/contact/video-demo/

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Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

 In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber sit down with Diane Owen – a photographer, mom of three, and graduate of the Becoming Body Smart program – to unpack what true, long-term change looks like from the client's side.

Diane shares how she went from an "on again, off again" athlete stuck in a painful injury–weight gain cycle to a consistent runner logging 6 days a week, 1,000+ miles a year, multiple half marathons, and 22 minutes off her half-marathon time – all while avoiding burnout and major injury. You'll hear how VO₂ testing, low heart-rate (Zone 2) training, and data-driven coaching helped her repair her relationship with exercise, food, and her own identity as an athlete.

Whether you're a clinician, coach, or everyday runner who feels like you've "tried everything," this conversation shows how the right data, the right plan, and relentless consistency can completely change what you believe is possible.

• How Diane broke a years-long cycle of overtraining, injury, and weight regain

• Why VO₂ and metabolic testing helped her finally trust that her body wasn't broken

• What true Zone 2 / low heart-rate training looks and feels like in real life

• How to use heart rate and symptoms as data, not drama, to guide your training

• The difference between "just resting" and smart load management that keeps you moving

• How slow, consistent progress led to 22 minutes off her half marathon and ~1,200 miles/year

• Practical ways Diane and her husband plan runs into a busy family schedule

• How shifting from "I'm not an athlete" to "I can do hard things" reshaped her identity and relationships

• Why focusing on health behaviors first (not the scale) protected her resting metabolic rate

• How to talk to clients about going three layers deep on their "why" so they're ready to change

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Share KORR's Tips For The Holidays With Your Clients:

https://korr.com/go/download-korrs-metabolic-holiday-tips/

The holidays are a delicious time of year… and a dangerous time for your metabolism. In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down why most people only gain 1–2 pounds over the holidays—yet end up 30–40 pounds heavier a couple of decades later.

They walk you through a practical, science-based game plan: from getting your RMR and VO₂ tested before the season, to "calorie budget Tetris," mindful eating at parties, and building holiday traditions that actually move your body instead of parking you on the couch.

Whether you're a health professional coaching clients or just trying not to start over every January, this episode will help you enjoy the food, skip the shame, and protect your long-term metabolic health.

• Why average holiday weight gain is "only" 1–2 pounds—and how that quietly compounds into 30–40 pounds over time

• How RMR and VO₂ testing give you a personalized "holiday baseline" instead of relying on generic calorie calculators

• The idea of calorie budget Tetris and why weekly trends matter more than a single "bad" day

• How to use the scale without shame by weighing consistently and understanding normal daily fluctuations

• Practical mindful-eating tactics: smaller plates, portioning from the source, not "having to" eat everything, and navigating buffet lines

• How drinks (eggnog, punch, alcohol, holiday lattes) silently blow up your calorie budget

• Why culture, environment, and family traditions drive overeating more than "willpower"—and how to redesign them

• Ways to keep movement in the plan through the holidays, including NEAT, daily activity, and building active family traditions

Get A Demo: https://korr.com/contact/video-demo/

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber sit down with Tony Orlando, founder of Dexa Plus and DexaScan.com, to unpack why DEXA scans are becoming one of the top longevity markers.

They explore how DEXA goes far beyond a simple "body fat test," revealing bone density, muscle distribution, and visceral fat levels that directly impact long-term health, performance, and fracture risk. Tony explains why waiting until insurance finally covers a scan at age 65 or 70 is often too late, and how early, recurring testing—paired with VO₂ max and RMR—can completely change the trajectory of your health.

The conversation also dives into GLP-1 medications, hidden muscle and bone loss, youth osteopenia, and how to choose a provider who doesn't just hand you a report, but actually gives you a plan.

• What a DEXA scan actually measures (bone, muscle, and fat) and why it matters

• Why DEXA is a powerful longevity marker, not just a "fitness gadget"

• How visceral fat drives heart disease and type 2 diabetes risk

• The dangers of rapid GLP-1–driven weight loss without preserving muscle

• Why osteoporosis is a silent disease affecting younger adults than you think

• The critical bone-building window between ages 8–28

• How strength training supports bone density for both men and women

• Why quarterly DEXA, VO₂ max, and RMR testing can guide long-term progress

• How to interpret body fat percentages realistically (not bodybuilding fantasies)

• What to look for in a high-quality DEXA provider and how DexaScan.com helps

Get A Demo: https://korr.com/contact/video-demo/

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

Aerobic vs anaerobic power isn't just sports-science jargon—it's the operating manual for your training and daily life. Dr. Marc Humbert and Dr. Cameron Garber break down how your body produces ATP through the ATP-PC, glycolytic, and oxidative systems, why "power" (max rate) and "capacity" (how long) are different, and how CardioCoach metabolic testing (VO₂, VCO₂, fuel use) turns those ideas into precise workouts. We dig into thresholds, "fat max," recovery timelines, the injury trap of single-day spikes, and why frequency → duration → intensity is the safest path—whether you're a lifter, runner, or weekend hockey hero. You'll leave with a practical framework to train what you can actually recover from, build longevity, and still hit top-end performance when it matters.

• The difference between metabolic power vs mechanical power

• How ATP-PC, glycolytic, and oxidative systems overlap in real workouts

• "Power" vs "capacity" (and why both matter for sport and longevity)

• Recovery timelines for ATP-PC/creatine and why rest intervals matter

• How metabolic testing (VO₂ max, thresholds, fuel use) personalizes training

• Using fat max and thresholds to place Zone 2 and HIIT correctly

• Why frequency → duration → intensity reduces injuries and burnout

• How to balance high- and low-intensity work (including when 80/20 is wrong)

• Sport-specific profiles (powerlifter vs marathoner vs field/court athletes)

• Cardio that doesn't kill your gains (fuel-sparing zones for lifters)

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

After four kids in six years and a stall-out on the scale, Shannon swapped punishment-style workouts for CardioCoach-guided heart-rate training. The result? Fewer injuries, steady weight loss, and marathon negative splits—plus the confidence to pace race day by physiology, not pace charts. Dr. Marc and Dr. Cameron break down her test data (why living in the 130s mattered), the 70/30 approach, and how "show up easy" beats "go hard or quit" for long-term wins.

What You'll Learn (this episode):

• How to translate a metabolic test into actionable HR zones (including fat-max)

• A step-by-step marathon HR strategy (130s → mid-140s/150s → 160s+ for the close)

• Why easy days curb hunger, improve recovery, and make intensity days work

• How to use HR drift to detect fatigue, illness, or under-recovery—before it derails you

• Turning "scale only" progress into performance metrics you can control and enjoy

• The consistency playbook: daily "show up" rules, flexibility, and avoiding injury layoffs

• How zones "expand" over time—running faster at the same heart rate without feeling harder

• Why you should "get tested now" (not later) to break the plateau loop and build momentum

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber dive deep into the world of wearables—exploring where your fitness tracker shines and where it can seriously mislead you. From heart rate accuracy to calorie burn estimates and VO₂ max predictions, they break down the crucial difference between measured values and calculated estimates.

Listeners will learn:

• Why heart rate chest straps are more reliable than wrist-based sensors.

• How calorie burn estimates can be off by 20–30% (and why that matters).

• The real role of VO₂ testing and why lab-based measurements are still the gold standard.

• How to use wearable data for trends without mistaking it for clinical accuracy.

• Why quality devices and regular metabolic testing are essential for athletes, trainers, and anyone serious about health.

Packed with science-backed insights, practical advice, and real-world examples, this episode helps you cut through the noise of flashy metrics and focus on what truly drives performance, fat loss, and recovery.

 Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Follow Chris Navin:
Instagram: https://www.instagram.com/4starendurance
Facebook: http://fb.com/metabolicathlete
Linkedin: https://www.linkedin.com/company/4starendurance
YouTube: https://www.youtube.com/@4starendurance

www.4starendurance.com/coach-chris

Coach Chris Navin—triathlon & marathon coach, 400+ races, 50+ Iron-distance finishes, Team USA qualifier 25+ times—joins Dr. Marc Humbert and Dr. Cameron Garber to unpack how metabolic profiling turns guesswork into PRs. Chris shares his unlikely journey from certified ethical hacker to endurance coach, why most athletes train a little too hard and fuel a little too little, and how VO₂ testing (O₂ and CO₂) lets you individualize zones, nail fueling, avoid injuries, and even negative split your marathon. We dig into "level 1 vs. level 2" testing, long-form testing with CardioCoach™, zone-2 misconceptions, fat-max shifts, and Chris's Four-Star Endurance method (Plan, Test, Learn, Inspire) that helps everyday athletes perform like pros—often improving VO₂ max and race times with age.

What you'll learn

How to read a metabolic profile (fat/carb crossover, thresholds, fat-max) and turn it into training zones

Why running "easier" can make you faster (and lighter) on race day

The difference between level 1 (baseline VO₂ + zones) and level 2 (fueling-focused, event-specific) tests

Evidence-based fueling math for marathons and Iron-distance events (and why most bonk near mile ~18–20)

A simple rule to prevent injuries: don't raise volume and intensity at the same time

How to use devices/apps (Garmin, Connect IQ, Myzone) after you calibrate them with lab data

The Four-Star Endurance framework to keep athletes motivated long-term

Follow KORR:
Instagram: https://www.instagram.com/korrmedical/ 
Facebook: https://www.facebook.com/korrmedical/ 
LinkedIn: https://www.linkedin.com/company/korrmedical
https://korr.com/ 
Listen to the Metabolic Mastery Podcast:
Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 
Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 
YouTube: https://www.youtube.com/@korrmed/podcasts 
YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 
Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery

Get A Demo Of KORR: https://korr.com/contact/video-demo/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber sit down with retired U.S. Air Force Combat Controller Mike "BT" Blout, a seasoned special operations veteran, to explore how the military is rethinking fitness standards for the modern warfighter.

Together, they discuss the evolution from traditional "push-ups, sit-ups, and run" tests to data-driven measures like VO₂ max, sleep quality, and role-specific performance standards. Mike shares insights from his time overseeing the Special Warfare Preparatory Course, highlighting how objective metrics improve combat readiness, reduce injuries, and extend career longevity.

The conversation dives deep into how physical fitness directly fuels cognitive performance, decision-making under stress, and team cohesion in high-stakes environments. They also tackle hot-button issues such as appearance vs. performance-based standards, gamifying fitness culture, and why leadership must "lead from the front" when it comes to health and readiness.

Whether you're a military professional, a coach, or simply fascinated by human performance, this episode reveals how science, culture, and strategy intersect to create fitter, smarter, and more resilient operators—both in uniform and beyond.

Follow KORR:

Instagram: https://www.instagram.com/korrmedical/ 

Facebook: https://www.facebook.com/korrmedical/ 

LinkedIn: https://www.linkedin.com/company/korrmedical

https://korr.com/ 

Listen to the Metabolic Mastery Podcast:

Apple Podcast: https://podcasts.apple.com/us/podcast/metabolic-mastery/id1812972674 

Spotify: https://open.spotify.com/show/2sgLMFv1Z8DwEz87yUpapI?si=29a177a6c6ca4ed4 

YouTube: https://www.youtube.com/@korrmed/podcasts 

YouTube Music: https://music.youtube.com/playlist?list=PLVCRWXBDdFo_S0OeaAsPv8xTnfajTLc75&si=d4wVUA0jqajkbukB 

Amazon: https://music.amazon.com/podcasts/d76834b7-c11a-485f-8010-32b490d49e57/metabolic-mastery