• 402: Ryan Jackson on Tendon Dynamics in Football Performance

  • Mar 14 2024
  • Length: 1 hr and 32 mins
  • Podcast
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402: Ryan Jackson on Tendon Dynamics in Football Performance

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  • Today's podcast features Ryan Jackson. Ryan has been the Associate Director of Human Performance/Nutrition with TCU Football since December 2021. His duties include team nutrition education, counseling, and menu planning. As a performance coach, he works directly with quarterbacks, mids, and advanced athletes. Jackson has been involved in sports performance and nutrition on the NCAA DI level for over 15 years. Tendons and connective tissue are an important aspect of human movement. Yet, compared to muscle, there is relatively little objective data or research on their adaptive processes or key performance metrics. Skeletal structure considerations, such as infrasternal angle, also play a vital role in an athlete's movement strategy and muscle mass dynamics and are also something we are just beginning to learn and integrate into the training equation. In creating a total performance program, it is essential to understand not just the dynamics of muscle but also of bone and tendon. On today's show, Ryan will discuss the correlations found at TCU between the Achilles tendon thickness, Nordboard metrics, fat-free muscle mass, and training season. He will also discuss the differences in Achilles thickness between football positions and the implications for training well-roundedness. Finally, Ryan will discuss the infrasternal angle measurements and how these correlate to an athlete's lean muscle mass and potential for maximal functional muscle gain in the gym. This episode was an awesome deep dive into cutting-edge information about connective tissue and performance. Today’s episode is brought to you by Lost Empire Herbs and the Plyomat For 15% off your Lost Empire Herbs order, head to lostempireherbs.com/justfly. To try Pine Pollen for free (just pay for shipping), head to: justflypinepollen.com. The Plyomat is a functional, intuitive, and affordable contact mat for jump and plyometric training and testing. Check out the Plyomat at www.plyomat.net View more podcast episodes at the podcast homepage. Main Points 6:34- Tendon Adaptation in Response to Muscle Forces 7:51- Tendon Thickness Impact on Athletic Performance 16:54- Achilles Tendon Thickness and Athletic Performance 17:26- Achilles Tendon Thickness and Force Production 19:04- Achilles Tendon Stiffness at Malleolis Measurement 36:59- Calf Muscle Stiffness in Elite Athletes 52:56- Optimizing Athletes' Performance Through Body Composition Analysis 59:07- Achilles Tendon Thickness and Athletic Jump Strategies 1:00:19- Hip Dip Strategies Impact Jumping Performance 1:20:06- Enhancing Tendon Healing with Isometric Training 1:21:19- Enhancing Athletic Performance with Collagen and Tendon Training 1:31:42- Structural Differences Impacting Athletic Performance in Bounding Quotes “Defensive backs, on average had bigger Achilles tendons. Interesting. We have a guy the second biggest, and I think it's a product of their movement and their position, where if I'm backpedaling, moving backwards more, it's more eccentric loading. Right?” “So you get the knee bent to a 30 degree angle, and then you push as hard as you can, push your heel up into the strap as hard as you can, and it's like an ISO for like three to 5 seconds, overcoming ISO for like three to 5 seconds. There is an inverse relationship between Infra-sternal angle. So what I mean by that is the more narrow, the more force produced in that test” “But what we saw with that is that, yes, it was very strongly correlated with Isa. With higher. The greater the angle, the higher their fat-free-mass-index is, which in theory makes sense, and that typically that person is going to be wider. So they have the ability to handle more muscle mass on their frame” “So you would think that a big would have the widest ISA on the team. That was not the case. We had a running back, actually had the biggest 205 pound running back, had the biggest ISA in that upper 25% quartile.
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