Today’s podcast is with Chris Bramah and JB Morin. Chris is a consultant Physiotherapist and Researcher at the Manchester Institute of Health & Performance, specializing in biomechanics for injury prevention, especially in running-related concerns like hamstring strains. With over a decade in elite sports and a Ph.D. in biomechanics, he collaborates with World and Olympic Medallists, providing consultancy services focused on sprint running mechanics and their connection to hamstring strain injuries for clients.
JB Morin, a full professor and head of sports science at the University of Saint-Etienne, brings over 15 years of research experience. Having published 50 peer-reviewed journals since 2004, he is a world-leading researcher in sprint-related topics, collaborating with top sprinters like Christophe Lemaitre. As a two-time previous podcast guest, JB shares valuable insights applicable to team sports, including his expertise in force-velocity profiling and heavy sled training.
Sprinting and sports injuries are complex. Hamstring injuries are common, yet there is not one “unicorn” of a risk factor that determines whether or not an athlete will sustain one. As the roadmap of injury risk is continually unfolding, understanding what is happening from the coaching practices and observations, sports science, and research lenses can all work together to improve our global understanding of building fast and robust athletes.
On the episode today, Chris and JB go into various running factors that play into robust sport running performance. These range from force-velocity profiling elements to kinematics and sprint technique, and rotational-based factors. This was a podcast that really digs into the sprint injury equation on a detailed and informative level.
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Timestamps and Main Points
2:00 – Recent research updates from Chris and JB on mechanics and running
5:30 – Primary aspects of connecting running mechanics with on-field injury
29:55 – The importance of fatigue state in the role of injury mechanisms and running
43:45 – Nuances of force-velocity profiling and potential injury risks in athletes
52:19 – What JB and Chris are seeing and studying from a “3D” perspective in terms of running injury and performance
59:20 – Foot strength, and it’s importance in athletic performance and ability
1:04:40 – Trunk rotation as it pertains to sprinting and injury risk
Chris Bramah and JB Morin Quotes
“All things equal, if you have the same capacity to play your sport, and move with less mechanical strain, then maybe you are tilting the balance (in favor of reduced injury risk)”
“We define that as macroscopic strain (GPS, playing hours, etc.). I could have the same 200 meters, and have a different microscopic strain, because my body and my lever arms, put a different level of microscopic strain on my tissues, and especially my hamstrings”
“Sometimes you get injuries where the macroscopic load is managed, and there is still an issue”
“Because methods are more complex to assess, and to contextualize this as part of a whole system approach,
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