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PODCAST

Metabolic Mastery

KORR Medical Technologies

Metabolic Mastery, brought to you by KORR Medical Technologies, is the podcast about everything VO2 Max and beyond. Tips on testing, new research, and much more. Hosted by Dr. Marc Humbert and Dr. Cameron Garber Doctors of Physical Therapy (DPT)

health & fitness nutrition

All Episodes

49:35

Ep. 49 - Your Heart Rate Zones Are Probably Wrong...

Metabolic Mastery ·

2026/04/07

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

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56:49

Ep. 48 - Can You Lose Fat and Build Muscle at the...

Metabolic Mastery ·

2026/03/31

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

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50:02

Ep. 47 - How to Build a Successful Metabolic Testing...

Metabolic Mastery ·

2026/03/24

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

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01:04:25

Ep. 46 - How Modern VO2 Testing Helps Clinics, Gyms,...

Metabolic Mastery ·

2026/03/17

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

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01:12:41

Ep. 45 - Stop Guessing Your Workouts: The Science of...

Metabolic Mastery ·

2026/03/10

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

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39:50

Ep. 44 - Exercise Calories Explained: RMR, METs, and...

Metabolic Mastery ·

2026/03/03

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

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01:10:09

Ep. 43 - The Metabolic Glossary: VO2, RER &...

Metabolic Mastery ·

2026/02/24

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

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01:12:03

Ep. 42 - From "Always 6th Place" to the Podium:...

Metabolic Mastery ·

2026/02/17

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"

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01:24:46

Ep. 41 - Stop Selling Features Start Selling Outcomes...

Metabolic Mastery ·

2026/02/10

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

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01:14:19

Ep. 40 - 7 VO2 Max MythConceptions: What Most People...

Metabolic Mastery ·

2026/02/03

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

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45:55

Ep. 39 - First, Do No Harm: How Healthcare Language...

Metabolic Mastery ·

2026/01/27

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

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01:15:13

Ep. 38 - Calories In, Calories Out: True… But Not...

Metabolic Mastery ·

2026/01/20

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

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34:04

Ep. 37 - From Pro Wrestling to Longevity Medicine:...

Metabolic Mastery ·

2026/01/13

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

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42:06

Ep. 36 - Biomarkers 101: Turning Health Data Into...

Metabolic Mastery ·

2026/01/06

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

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01:06:20

Ep. 35 - Why New Year Fitness Goals Fail and How...

Metabolic Mastery ·

2025/12/30

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

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01:04:01

Ep. 34 - Heart Rate Recovery, METs, and Efficiency:...

Metabolic Mastery ·

2025/12/23

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

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58:40

Ep. 33 - Personalizing Training: What a Collegiate...

Metabolic Mastery ·

2025/12/16

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

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01:18:32

Ep. 32 - Test, Don't Guess: Inside Metabolic...

Metabolic Mastery ·

2025/12/09

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

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01:07:02

Ep. 31 - Client Success With Diane Owen: From "Not...

Metabolic Mastery ·

2025/12/02

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

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01:08:45

Ep. 30 - Holiday Metabolism Survival Guide: Keep the...

Metabolic Mastery ·

2025/11/25

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

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