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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 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?

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⏰Timestamps:

00:00 Intro of Show

01:26 What is High-Intensity Interval Training?

05:04 HIIT to Improve Health Fundamentally

08:23 Exercise Ratio for General Individuals vs. Athletes

14:29 Dr. Lyon's Workout Routine

16:47 High-Intensity Interval vs. Sprint Interval Training

20:23 New Studies on Sprint Interval Training

24:57 The One-Minute Workout

26:57 CAROL Bike Mechanics

28:59 Benefits of High-Intensity Interval Training

37:21 Fuel Utilization: Sprint Interval vs. Slow, Steady-State Training

45:38 Metabolic Flexibility Definition

46:41 Fat Max Definition and Evaluation

50:26 Zone Training Model

58:00 Designing the Health of the Nation

1:04:04 How to Improve Body Composition

1:11:40 REHIT: Reduced Exertion, High-Intensity Training

1:21:59 Does HIIT Prevent Sarcopenia?

1:27:27 VO2 Max: Factoring Age and Sex

1:34:28 Designing the Ideal Workout Week

1:39:14 Importance of Rest Intervals

1:45:14 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.