HIIT vs. Moderate Intensity Exercise - Which Is Better for Your Health? | Dr. Martin Gibala episode artwork

EPISODE · Mar 17, 2026 · 1H 46M

HIIT vs. Moderate Intensity Exercise - Which Is Better for Your Health? | Dr. Martin Gibala

from The Dr. Gabrielle Lyon Show

Metabolic flexibility is your body’s ability to efficiently burn fat or carbohydrate depending on demand, may be one of the most important and least understood markers of long-term health. In this episode, I’m with Dr. Martin Gibala to explore the emerging science of Fat Max, why mitochondrial quality is central to both performance and longevity, and how sprint interval training produces comparable mitochondrial adaptations to traditional endurance work in a fraction of the time. Could the key to better metabolic health be less about the hours you log and more about how hard you’re willing to push?Want ad-free episodes? Subscribe to Forever Strong Insider: https://bit.ly/4u5VSReGet Dr. Martin Gibala’s book, “The One-Minute Workout” here: https://bit.ly/4lxBchqConnect with Dr. Martin GibalaWebsite: https://bit.ly/3P8ROjdWebsite: https://bit.ly/3Nfz410Instagram: https://bit.ly/40qrVhlX.com: https://bit.ly/4b9usCPYouTube: https://bit.ly/3PiVkYhEmail: [email protected]🙌Thank you to our sponsors:🛌 Cozy Earth - Go to https://bit.ly/4loRB7A for up to 20% off!🚴 Carol Bike - Visit https://bit.ly/4b9KFYF and use code LYON for $100 off your CAROL Bike☕ Four Sigmatic - Go to https://bit.ly/4lp0Ep2 for a free bag of their dark roast ground coffee (just pay for shipping & handling).📺Watch the “Dr. Gabrielle Lyon Show” every Tuesday at 9AM EST:YouTube: https://bit.ly/4boCFC3Spotify: https://bit.ly/4cWTbLG📱Connect with Dr. Gabrielle Lyon:Instagram: https://bit.ly/4uk9adcTikTok: https://bit.ly/3OFK3kJX.com: https://bit.ly/4l3YlaXFacebook: https://bit.ly/3MBrJsoLinkedIn: https://bit.ly/3N1nrdLWebsite: https://bit.ly/3NdV2kTBooks: https://bit.ly/4r6ugZKNewsletter: https://bit.ly/402QCAj⏰Timestamps:00:00 Intro of Show01:26 What is High-Intensity Interval Training?05:04 HIIT to Improve Health Fundamentally08:23 Exercise Ratio for General Individuals vs. Athletes14:29 Dr. Lyon's Workout Routine16:47 High-Intensity Interval vs. Sprint Interval Training20:23 New Studies on Sprint Interval Training24:57 The One-Minute Workout26:57 CAROL Bike Mechanics28:59 Benefits of High-Intensity Interval Training37:21 Fuel Utilization: Sprint Interval vs. Slow, Steady-State Training45:38 Metabolic Flexibility Definition46:41 Fat Max Definition and Evaluation50:26 Zone Training Model58:00 Designing the Health of the Nation1:04:04 How to Improve Body Composition1:11:40 REHIT: Reduced Exertion, High-Intensity Training1:21:59 Does HIIT Prevent Sarcopenia?1:27:27 VO2 Max: Factoring Age and Sex1:34:28 Designing the Ideal Workout Week1:39:14 Importance of Rest Intervals1:45:14 Connect with Martin‼️Disclaimer: The Dr. Gabrielle Lyon Podcast and YouTube are for general information purposes only and do not constitute the practice of medicine, nursing, or other professional health care services, including the giving of medical advice, and no doctor/patient relationship is formed. The use of information on this podcast, YouTube, or materials linked from this podcast or YouTube is at the user's own risk. The content of this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they may have and should seek the assistance of their health care professional for any such conditions.This episode includes paid sponsorships.

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HIIT vs. Moderate Intensity Exercise - Which Is Better for Your Health? | Dr. Martin Gibala

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This episode is 1 hour and 46 minutes long.

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This episode was published on March 17, 2026.

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Metabolic flexibility is your body’s ability to efficiently burn fat or carbohydrate depending on demand, may be one of the most important and least understood markers of long-term health. In this episode, I’m with Dr. Martin Gibala to explore the...

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