Why should oxygen consumption sit beside blood pressure and heart rate on your health checklist? In this kickoff episode of the KORR Medical Technologies Podcast, Dr. Marc Humbert and Dr. Cameron Garber unpack why VO₂ Max—and metabolic testing in general—may be the single most powerful (and overlooked) vital sign for predicting how long and how well you’ll live.

You’ll learn:

• How measuring the oxygen you breathe out reveals calorie burn and whether you’re using fats or carbs for fuel.

• Why a higher VO₂ Max slashes risk across all-cause mortality and chronic disease.

• The difference between VO₂ Max and resting metabolic rate—and how both drive truly personalized nutrition and training plans.

• Real-world success stories, from reversing fatty-liver disease to ending workout plateaus.

• How today’s portable, self-calibrating carts make lab-grade testing available in clinics and gyms everywhere.

Whether you’re an elite athlete or haven’t exercised since the Clinton administration, this episode shows you how a simple breath test can map the fastest route to a longer, stronger life. Subscribe and start treating VO₂ like the vital sign it is!

Notes:

• VO2max as a Vital Sign (https://pubmed.ncbi.nlm.nih.gov/27881567/)
• VO2max as a predictor of longevity (https://pubmed.ncbi.nlm.nih.gov/29293447/)
• Cardiorespiratory fitness and Mortality risk (https://pubmed.ncbi.nlm.nih.gov/30646252/)

In this week's episode, Dr. Marc Humbert and Dr. Cameron Garber sit down with Daniel Crumback—Director of Strategic Health and Performance, veteran, physiotherapist, and international exercise physiology consultant. Daniel shares his extraordinary journey from the Canadian military to leading performance testing for elite athletes across the globe.

You’ll hear:

• How Daniel transitioned from commanding military hospitals to advising Olympic teams

• Why he’s a staunch advocate for individualized testing over one-size-fits-all training

• His insights on VO₂, spirometry, NIRS, and the myths of respiratory training

• Candid thoughts on pseudoscience in the health and fitness world

• Why metabolic testing is essential for matching fitness effort with performance goals

Whether you're a coach, clinician, or curious athlete, this episode delivers deep knowledge, humble wisdom, and a few strong opinions that challenge conventional thinking.

🔗 Learn more about Daniel at strategichealthperformance.com or connect with him on LinkedIn.

👉 Like, follow, and subscribe for more expert insights on performance, physiology, and the science of better health.

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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 special segment of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber launch “Contrary to Popular Belief,” where they challenge common misconceptions about fitness, fat loss, metabolism, and the role of exercise. From clarifying what zone 2 training should feel like, to explaining why exercise isn’t the primary key to weight loss, they unpack powerful truths rooted in science and clinical experience.

They also break down the myth of “fast” vs. “slow” metabolisms and emphasize why lifestyle changes and modern medicine both have a place in optimizing health. Whether you’re a clinician, a coach, or someone trying to understand your body better, this episode is packed with actionable insights that will change how you think about fitness, fat loss, and health optimization.

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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 Humber and Dr. Cameron Garber dive deep into the science and strategy behind Zone 2 training — one of the most effective, yet misunderstood, methods for improving metabolism, endurance, fat-burning, and long-term health.

They break down:

• The physiology behind Zone 2 and why it’s essential for metabolic flexibility

• How to identify your true training zones using VO₂ testing

• Why most people train too hard but not hard enough to drive real change

• The proven 80/20 training philosophy used by elite athletes

• How to train smarter (not just harder) to avoid injury and maximize performance

• Why building a “bigger engine” is the key to thriving into old age

If you want to build lasting health, train more effectively, and understand how your body really works — this episode is a must-listen.

👉 Don’t forget to like, follow, and subscribe for future deep dives into performance and metabolic science.

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What if your metabolism isn’t actually slowing down with age? In this episode of Metabolic Mastery from KORR Medical Technologies, Dr. Marc Humbert and Dr. Cameron Garber unpack the misunderstood science of resting metabolic rate (RMR) and what it means for your long-term health. From why your fitness tracker might be lying to you, to how GLP-1s and muscle loss impact longevity, they explain why metabolic testing is one of the most powerful tools in modern healthcare. Whether you're a provider, coach, or just someone trying to live better longer—this episode delivers real insights into how to use metabolic data to make smarter decisions about your health, fitness, and lifestyle.

🔬 Powered by real-time data.
💪 Backed by science.
📈 Built for results.

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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

Notes:

• Energy Expenditure Across the Lifespan: https://pubmed.ncbi.nlm.nih.gov/34385400/
• Metabolic Rates of Organs: https://pmc.ncbi.nlm.nih.gov/articles/PMC2980962/
• Metabolic Compensation: https://pmc.ncbi.nlm.nih.gov/articles/PMC4803033/
• Limits on Energy Expenditure: https://pmc.ncbi.nlm.nih.gov/articles/PMC6551185/
• Energy Intake & Essential vs Non-essential Physiological Functions: https://pubmed.ncbi.nlm.nih.gov/30303776/
• GLP-1’s & Muscle:
•  https://pubmed.ncbi.nlm.nih.gov/38937282/
• https://pubmed.ncbi.nlm.nih.gov/39265590/
• Problems with energy expenditure in fitness tracking devices:
• https://pmc.ncbi.nlm.nih.gov/articles/PMC5491979/
• https://pubmed.ncbi.nlm.nih.gov/32897239/
• https://pubmed.ncbi.nlm.nih.gov/34957939/

What does it take to run 25,000 metabolic tests and build one of the most trusted testing services in Europe? In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber sit down with Sean Kinane, founder of Health Matters in Dublin, Ireland. From humble beginnings as a personal trainer in Australia to testing Olympic athletes, tech executives, and clinical trial participants, Sean shares his no-nonsense philosophy on precision testing, data interpretation, and changing lives through metabolic insight.

You’ll hear how Sean:

• Built a business from two tests in a day to 48 in one

• Uses KORR's CardioCoach to measure what wearables can’t

• Helps clients go beyond VO2 numbers to truly transform

• Tackles fitness fads, misinformation, and bad protocols with hard science

• Applies data to improve not just fitness, but relationships, energy, and long-term health

Whether you’re a coach, clinician, or someone curious about metabolic testing, this conversation is packed with powerful insights, raw stories, and hard-earned wisdom.

🔬 Learn how personalized data—not trends—creates real results.
🎧 Listen now and take your understanding of metabolic health to the next level.

Follow Sean: @healthmattersire

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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 CardioCoach: https://korr.com/products/vo2-max-testing-system/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber dive deep into the science of longevity—what it means, why healthspan matters more than just living longer, and how metrics like VO₂ max and muscular power can help predict and improve your quality of life as you age.

They explore the difference between lifespan and healthspan, debunk common longevity "hacks," and make the case for habits over shortcuts. Using clear visuals (including the now-famous "squared curve" concept), practical examples, and even the inspiring story of Grandma Betty, they lay out the true foundation of healthy aging: strength training, cardiovascular fitness, sleep, nutrition, and meaningful connection.

Whether you're a health practitioner, fitness enthusiast, or simply want to age with vitality, this episode offers an evidence-based, empowering guide to increasing both your years—and the life in those years.

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

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

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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 

VO2 & Mortality: https://pubmed.ncbi.nlm.nih.gov/30646252/
Grip Strength & Mortality:
https://pubmed.ncbi.nlm.nih.gov/39587152/
https://pmc.ncbi.nlm.nih.gov/articles/PMC6778477/
Gait Speed & Mortality: https://pmc.ncbi.nlm.nih.gov/articles/PMC3080184/
Lifestyle Factors and Mortality
https://pmc.ncbi.nlm.nih.gov/articles/PMC9979572/
https://pubmed.ncbi.nlm.nih.gov/29712712/
Lifespan & Healthspan: https://pmc.ncbi.nlm.nih.gov/articles/PMC4861644/
Loss of Muscle, Strength & Power with Age
https://pubmed.ncbi.nlm.nih.gov/22934016/
https://pubmed.ncbi.nlm.nih.gov/30048806/
https://pubmed.ncbi.nlm.nih.gov/36268622/
https://pmc.ncbi.nlm.nih.gov/articles/PMC10961295/#CR20

In this episode of Metabolic Mastery from KORR Medical Technologies, Dr. Marc Humbert and Dr. Cameron Garber dig deep into BMI—Body Mass Index. Often misunderstood and misapplied, BMI remains a widely used health metric. But does it still deserve a place in modern fitness and medicine? The doctors unpack the science behind BMI, its historical roots, and its usefulness (or lack thereof) when applied to individuals. They explore the J-shaped mortality curve, risk stratification, the limits of BMI in assessing fitness and fatness, and better alternatives like VO₂ max testing and body composition analysis. Whether you're an athlete, clinician, or simply health-conscious, this episode offers practical insights into how to better understand your health metrics and build a sustainable approach to longevity and performance.

💪 Topics include:

• Why BMI fails to measure fitness and fatness

• The true “sweet spot” for longevity

• Fat but fit vs. skinny fat: What’s riskier?

• Muscle quality, metabolic flexibility, and sustainable training

• VO₂ max testing and how it helps optimize your healthspan

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

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

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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 

Show Notes:

Mortality
BMI Mortality Risks & Confounders - https://pubmed.ncbi.nlm.nih.gov/27146380/
BMI (J-shaped curve) and Mortality - https://pubmed.ncbi.nlm.nih.gov/30389323/
VO2max and Mortality - https://pubmed.ncbi.nlm.nih.gov/39537313/
AAS use and Mortality - https://jamanetwork.com/journals/jama/fullarticle/2816584
Low lean body mass and Mortality -
https://pubmed.ncbi.nlm.nih.gov/29970408/
https://pubmed.ncbi.nlm.nih.gov/32518354/
Deep belly fat and Mortality - https://pubmed.ncbi.nlm.nih.gov/28671751/
Waist to Height and Mortality - https://pubmed.ncbi.nlm.nih.gov/37770574/
Aerobic & Resistance Training and Mortality - https://journals.lww.com/acsm-healthfitness/fulltext/2023/11000/the_coming_of_age_of_resistance_exercise_as_a.7.aspx
“Fat but fit” implications
https://pubmed.ncbi.nlm.nih.gov/39537313/
https://pubmed.ncbi.nlm.nih.gov/27230640/
https://pubmed.ncbi.nlm.nih.gov/29064474/
https://pubmed.ncbi.nlm.nih.gov/24400816/
https://pubmed.ncbi.nlm.nih.gov/33580798/
Muscle Quality & Impacts
Loss of physical function with aging - https://iris.who.int/handle/10665/66682
Fall risk in elderly - https://pubmed.ncbi.nlm.nih.gov/31095087/
Influence of adiposity on muscle tissue - https://pubmed.ncbi.nlm.nih.gov/23790255/
Importance of muscle quality - https://pubmed.ncbi.nlm.nih.gov/25520782/
Effects of fat infiltration on muscle –
https://pubmed.ncbi.nlm.nih.gov/35980018/
https://pubmed.ncbi.nlm.nih.gov/30620635/
https://pmc.ncbi.nlm.nih.gov/articles/PMC3910392/
https://pubmed.ncbi.nlm.nih.gov/23147096/
Resistance Training & Muscle Health
https://pubmed.ncbi.nlm.nih.gov/37881849/
https://pubmed.ncbi.nlm.nih.gov/38123165/
Metabolic flexibility - https://pubmed.ncbi.nlm.nih.gov/35287953/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber dive deep into one of the most crucial, and misunderstood,principles in fitness: Load vs. Capacity. Discover how managing total load (training, stress, sleep, nutrition, life events) relative to your body’s capacity is the key to avoiding injury, preventing burnout, and optimizing long-term performance. Learn why VO2 max testing and heart rate zones are essential for precise training, how to balance high-intensity and low-intensity workouts (including the 80/20 rule), and how to run personal “lifestyle audits” to overcome plateaus. Whether you're a beginner, seasoned athlete, or coach, this episode offers science-backed, actionable insights to help you train smarter, stay consistent, and keep progressing for years to come.

Load, capacity, and health: https://pubmed.ncbi.nlm.nih.gov/30254049/
Optimal loading: https://pubmed.ncbi.nlm.nih.gov/25950028/
Load vs Frequency (The envelope of function): https://pubmed.ncbi.nlm.nih.gov/8998861/
​Internal & External Load: https://pubmed.ncbi.nlm.nih.gov/30614348/

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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 Your Test Protocols Worksheet Here:

https://korr.com/go/korrs-testing-protocols-worksheet/

In Part 2 of our “Test What You Intend to Measure” series, Dr. Marc Humbert and Dr. Cameron Garber dive deep into the art and science of building precise metabolic test protocols. Whether you're testing VO2 Max, substrate utilization (Fat Max), fatigue resistance, zone recovery, or designing open-ended data collection tests, this episode breaks down how to customize protocols for each client’s fitness level, exercise mode, and testing goals.

You’ll learn:

• How to properly structure VO2 Max tests for accurate maximum oxygen uptake results.

• Why zone testing requires slower, more granular heart rate ramp-ups.

• How to build substrate utilization protocols to measure fat-burning efficiency.

• The role of fatigue resistance and zone recovery tests in evaluating metabolic flexibility.

• Why individualized protocols ensure safety, better data, and more actionable results.

Perfect for exercise physiologists, trainers, health clinics, and metabolic testing centers using CardioCoach or similar equipment, this episode offers practical tips for optimizing client assessments and designing repeatable, effective protocols.

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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 Your Test Protocols Worksheet Here:

https://korr.com/go/korrs-testing-protocols-worksheet/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber break down how to design effective metabolic testing protocols to deliver accurate, actionable data. Whether you're performing resting metabolic rate (RMR) tests, VO2 Max testing, substrate utilization, fatigue resistance assessments, or zone confirmation tests, this episode covers the key factors that impact test accuracy. Learn why standardizing test protocols is essential, how to individualize tests for each client, and how pre-test preparation—like fasting, warm-ups, and equipment choice—affects your metabolic data.

Discover practical insights for personal trainers, exercise physiologists, health clinics, and metabolic testing centers looking to optimize VO2 testing, heart rate zone determination, fat-burning efficiency, and athletic performance assessments. Plus, hear a fun experiment on how music influences metabolism using KORR Medical Technologies' CardioCoach system.

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

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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, brought to you by KORR Medical Technologies, Dr. Marc Humbert and Dr. Cameron Garber dive into the truth about exercise, metabolism, and body composition. Picking up from last week’s episode on fast vs. slow metabolism, they break down why traditional views on calorie burn are flawed—and why your daily movement (NEAT: Non-Exercise Activity Thermogenesis) may matter more than your time at the gym.

They explore:

• The calorie pie chart: where your energy really goes

• Why NEAT can burn more than your workouts

• The myth of “you need muscle to burn fat”—and what muscle really does

• The constrained energy model and how your body adapts to exercise

• Why the type of movement matters more than how hard you go

• Practical tips for making your life less efficient (on purpose) to lose more weight

• Why metabolic testing is key to aligning effort with your unique goals

Whether you're a clinician, athlete, or just trying to feel better and live longer, this episode gives you the tools to rethink fitness as a lifestyle—not a punishment. Subscribe and share to keep moving smarter, not just harder.

Notes:

Metabolic Flexibility: https://pubmed.ncbi.nlm.nih.gov/35287953/ 
Constrained Total Energy Expenditure: https://pmc.ncbi.nlm.nih.gov/articles/PMC4803033/ 
Aerobic Exercise & Weight Loss: https://pubmed.ncbi.nlm.nih.gov/39724371/ 
Beyond Weight Loss, Clear Evidence of Benefits of Physical Activity: https://pubmed.ncbi.nlm.nih.gov/30563874/ 
NEAT: https://pubmed.ncbi.nlm.nih.gov/12468415/ 

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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 break down one of the most common health questions: Do I have a fast or slow metabolism? They debunk popular myths, explain what metabolism truly is, and why it matters far beyond just weight. You’ll learn about resting metabolic rate, the role of lifestyle and age, and how metabolic testing can transform the way we approach nutrition, exercise, and long-term health.

Whether you're a clinician, gym owner, or simply trying to optimize your energy and longevity, this episode is packed with practical insights into how your body burns energy, adapts over time, and how you can align your goals with science—not guesswork. Discover how measuring metabolism helps shift the conversation from blame to empowerment—and why the best long-term health strategy is to architect a life full of meaningful movement.

NOTES:

Daily energy expenditure through the human life course: https://pubmed.ncbi.nlm.nih.gov/34385400/ 
Thrifty vs spendthrift metabolisms: https://pubmed.ncbi.nlm.nih.gov/37294042/ 
Metabolic rates of major organs: https://pmc.ncbi.nlm.nih.gov/articles/PMC2980962/ 

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

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

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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

https://korr.com/ 

VO₂ max gets all the glory—but is it really the key to performance?

In this data-packed episode of Metabolic Mastery, Dr. Mark Humbert and Dr. Cameron Garber go deep on why VO₂ max is only one piece of the endurance puzzle. From real-world athlete case studies to training strategies that go far beyond heart rate zones, they unpack the science behind metabolic testing and how to use it to unlock smarter, safer, and more effective training.

Whether you're a weekend warrior or an elite endurance athlete, this episode will change how you think about performance—and how you measure it.

• What VO₂ max actually measures—and what it doesn't

• How elite athletes can have wildly different VO₂ max scores but similar race outcomes

• Why anaerobic threshold and lactate clearance might matter more than VO₂ max

• The role of fatigue resistance and how to train it

• How running economy impacts performance (and how to improve it)

• The surprising mental factors that influence physical performance

• How Core’s CardioCoach allows for 8+ types of advanced metabolic tests

• Training strategies for improving VO₂ max, threshold, economy, and durability

• Why strength training is the “secret weapon” for endurance success

• How to design a long-term training plan using metabolic testing data

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

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

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

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 

https://korr.com/ 

In this episode of Metabolic Mastery, we sit down with Parker Spencer, head coach of USA Triathlon’s Olympic Development Team and 2022 Coach of the Year. With over 100 elite podiums under his belt, Parker shares how he blends cutting-edge exercise science, VO₂ and lactate testing, and personalized athlete development to build world-class competitors from the ground up. From team culture to precision coaching to winning gold at the Paralympics, this is a deep dive into how champions are made—not by chance, but by data, mindset, and mission. Whether you're a coach, athlete, or fan of high-performance science, this episode will challenge the way you think about training.

Follow Project Podium: @usatprojectpodium  

• How VO₂ max and VLA max testing create personalized training blueprints

• Why athlete psychology and character development are just as critical as performance

• How Project Podium is reshaping triathlon in the U.S.

• The role of lactate clearance zones and how they impact recovery and racing

• Why late specialization in sports may lead to longer, more successful careers

• How to use strength training and fueling strategies based on individual metabolic data

• The difference between precision coaching vs. traditional group programming

Follow KORR:

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

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

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

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

https://korr.com/products/vo2-max-testing-system/

In this episode of Metabolic Mastery, Dr. Marc Humbert and Dr. Cameron Garber reveal how a VO₂ test can tell the full story of your fitness — past, present, and future. While most people think VO₂ max is the whole picture, they explain how measuring both oxygen consumption and carbon dioxide production unlocks deeper insights into fat-burning efficiency, training zones, and metabolic health.

From weekend warriors to elite athletes, you’ll hear how VO₂ testing can uncover hidden patterns that may be holding you back, why “moderate” workouts often stall progress, and how to optimize training using the 80/20 principle. Through real client stories, Marc and Cameron show how data can guide smarter workouts, better recovery, and sustainable results — all while taking the blame off the athlete and focusing on aligning fitness efforts with personal goals.

Whether you want to get faster, burn more fat, recover better, avoid injury, or simply feel great for decades to come, this episode delivers the science, strategy, and encouragement to train for your future self.

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