『Episode 387: Nathan T. Jenkins on Metabolic Flexibility, Aerobic Base, and First Principles』のカバーアート

Episode 387: Nathan T. Jenkins on Metabolic Flexibility, Aerobic Base, and First Principles

Episode 387: Nathan T. Jenkins on Metabolic Flexibility, Aerobic Base, and First Principles

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In this episode of the Flex Diet Podcast, I sit down with Dr. Nathan Jenkins to discuss how to improve performance, body composition, and long-term health through the lens of aerobic development and metabolic flexibility. Nathan shares his journey from exercise physiology and coaching CrossFit athletes to his new role teaching physiology at the University of Georgia School of Medicine. We discuss why metabolic flexibility is such a powerful framework for understanding everything from biochemistry and exercise performance to metabolic disease. We also dive into interpreting maximal exercise testing data, including VO₂ measurements, EKG analysis, and near-infrared spectroscopy (NIRS), along with how different energy systems work together during training and competition. Nathan explains why building an aerobic base is critical for repeated high-intensity performance, how pacing impacts outcomes, and why the ability to "suffer" is actually a trainable skill. To wrap up, we cover practical strategies you can apply right away, including prioritizing protein and carbohydrates, improving sleep quality, and addressing common micronutrient deficiencies through blood work, such as magnesium, vitamin D, and omega-3 status. Sponsors: Daily Fitness Insider Newsletter: https://flex-diet.kit.com/bfa1510fa8 Available now: Grab a copy of the Triphasic Training II book I co-wrote with Cal Deitz here. Episode chapters: 02:47 Meet Dr Nathan Jenkins04:38 CrossFit Nutrition Reality Check07:09 Leaving Tenure for Family09:21 Back to Academia and Med Ed11:29 Why Exercise Physiology Matters14:36 Stress Tests Reveal Pathology18:19 Max Testing and NIRS Setup22:42 Raw Data Over Machine Outputs24:18 Bohr Effect and Oxygen Delivery28:09 Energy Systems in the Real World33:05 Coaching Basics That Matter35:40 Teaching Cardio From First Principles36:36 Aerobic Base Reality Check37:19 Cardio for Meatheads Pitch39:13 CrossFit Endurance Breakthroughs41:49 Fixing Time Domain Weakness45:46 Pacing Like Froning Fraser48:42 RAAM Gamesmanship Story51:45 Pain Management Truths53:23 VO2 Max Feels the Same55:54 Suffering as a Skill59:09 Cold Plunge Mindset Study01:00:52 Caffeine Placebo and Belief01:03:22 Heat Acclimation and 10K Prep01:04:36 Metabolic Flexibility Lens01:08:16 Teaching Diabetes Integration01:10:56 Bloodwork Meets Flexibility01:12:37 Where Fat Goes Wrong01:15:07 Sustainable Deficit Strategy01:16:34 Four Priorities Blueprint01:17:21 Protein and Carb Targets01:21:08 Sleep and Micronutrients01:27:06 Omega-3 Testing Nuance01:29:36 Wrap Up and Next Steps01:31:52 Newsletter and Flex Diet Cert01:33:20 Final Thanks and Subscribe Flex Diet Podcasts you may enjoy: Episode 344: Metabolic Adaptations, Lactate, and Training Smarter with Dr. Phil Batterson YouTube: https://youtu.be/PPZyO1nxSPAEpisode 383: Body Composition, Strength Training, and Sustainable Habits with Martin Silva YouTube: https://youtu.be/p8oM0gW488U Connect with Dr. Jenkins: Website: https://www.drnathanjenkins.com/Instagram: https://www.instagram.com/drnathanjenkins Get In Touch with Dr Mike: Instagram: DrmiketnelsonYouTube: @flexdietcertEmail: Miketnelson.com/contact-us
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