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Peter Attia MD179 - Blood flow restriction—benefits, uses, & the relationship between muscle size and strength
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Episode Details
EPISODE INFO
- Released
- October 11, 2021
- Duration
- 2h 7m
- Channel
- Peter Attia MD
- Watch on YouTube
- ▶ Open ↗
EPISODE DESCRIPTION
Jeremy Loenneke has a Ph.D. in exercise physiology, a Master’s in nutrition and exercise, and is currently the director of the Kevser Ermin Applied Physiology Laboratory at the University of Mississippi, where he focuses his research on skeletal muscle adaptations to exercise in combination with blood flow restriction (BFR). In this episode, Jeremy explains the science of BFR and the mechanisms by which BFR training can produce hypertrophy using low loads. Here, he reviews anatomy and terminology of muscle structure and discusses the evidence that increasing muscular strength may not be dependent on increasing muscle size. Additionally, Jeremy goes into depth on how one might take advantage of BFR training, including practical applications for athletes and average people, as well as the situations for which BFR training would be most advantageous. Sign up to receive Peter's email newsletter: https://bit.ly/4c602k2 We discuss: 00:00:00 - intro 00:00:10 - Jeremy’s interest in exercise and weightlifting and his scientific training 00:05:24 - The microstructure and physiology of muscle 00:10:42 - Definitions of fast-twitch and slow-twitch muscle fibers 00:20:18 - Comparison of strength vs. hypertrophy 00:28:00 - Blood flow restriction training and the origins of the Kaatsu system 00:45:28 - The details and metrics related to exercise under blood flow restriction 00:54:25 - Considerations when training with blood flow restriction: loading, pace, rest, and risks 01:06:53 - Blood flow restriction studies and the relationship between muscle size and muscle strength 01:21:00 - Evidence that increasing muscular strength is not dependent on increasing the size of the muscle 01:32:35 - Practical applications of blood flow restriction training for athletes and average people 01:40:50 - Situations in which blood flow restriction training is most advantageous 01:46:02 - The mechanisms by which blood flow restriction training can produce so much hypertrophy at such low loads 01:54:26 - Applications of “passive” blood flow restriction training 01:59:15 - What experiments would Jeremy do if he had unlimited resources? Show notes page: https://peterattiamd.com/jeremyloenneke/ -------- About: The Peter Attia Drive is a weekly, ultra-deep-dive podcast focusing on maximizing health, longevity, critical thinking…and a few other things. With over 30 million episodes downloaded, it features topics including fasting, ketosis, Alzheimer’s disease, cancer, mental health, and much more. Peter is a physician focusing on the applied science of longevity. His practice deals extensively with nutritional interventions, exercise physiology, sleep physiology, emotional and mental health, and pharmacology to increase lifespan (delay the onset of chronic disease), while simultaneously improving healthspan (quality of life). Learn more: https://peterattiamd.com Subscribe to receive exclusive subscriber-only content: https://peterattiamd.com/subscribe Sign up to receive Peter's email newsletter: https://peterattiamd.com/newsletter Connect with Peter on: Facebook: http://bit.ly/PeterAttiaMDFB Twitter: http://bit.ly/PeterAttiaMDTW Instagram: http://bit.ly/PeterAttiaMDIG Subscribe to The Drive: Apple Podcast: http://bit.ly/TheDriveApplePodcasts Overcast: http://bit.ly/TheDriveOvercast Spotify: http://bit.ly/TheDriveSpotify Google Podcasts: http://bit.ly/TheDriveGoogle
SPEAKERS
Peter Attia
hostPhysician and host of The Drive Podcast, focused on longevity and performance medicine.
Jeremy Loenneke
guestExercise science researcher known for work on blood flow restriction (BFR) training and muscle physiology.
EPISODE SUMMARY
In this episode of Peter Attia MD, featuring Peter Attia and Jeremy Loenneke, 179 - Blood flow restriction—benefits, uses, & the relationship between muscle size and strength explores jeremy Loenneke on Blood Flow Restriction, Muscle Growth, and Strength Loenneke explains that blood flow restriction (BFR) reduces but does not fully occlude blood flow, and is best set as a percentage (typically about 40%) of the individual's arterial occlusion pressure rather than one fixed pressure for everyone.
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