The muscle tendon unit doesn’t adapt uniformly. Muscle fibers can change in size, stiffness, and contractile properties relatively quickly. Tendon can’t. Tendon adapts more slowly. Max velocity sprinting is a movement built around tendon behavior. The late swing to ground contact sequence depends on the hamstrings holding tension almost isometrically while the Achilles and plantar flexors stretch and recoil. That’s where the elastic action comes from. If the tendon can’t take load or doesn’t sti
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The muscle tendon unit doesn’t adapt uniformly. Muscle fibers ca…
44.7K views4 months ago
FacebookFred Duncan Performance Training
Model to explain how muscle tendon unit can behave during contraction. Muscle (green band) contracts, lengthening the tendon (red band) under tension. Eventually the tension reaches a sufficient to move the segment (plate). Important implications for strength and conditioning coaches: 1. The time lag between contraction and movement, what Bosch calls slack should try to be minimised in actions where force must be produced in minimal time (nearly all!). 2. Just because you don't see any movement
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Model to explain how muscle tendon unit can behave during contractio…
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Wrist/Hand Resisted Isometric Testing | Basic Assessment
Wrist/Hand Resisted Isometric Testing | Basic Assessment
May 20, 2024
physiotutors.com
RESISTED ISOMETRIC TESTING OF THE ELBOW To get a quick idea about the strength of different muscles in different directions of movement you can perform resisted isometric testing. You can either use the make (hold, like we did it in the video) or break method (break the patients resistance). Painful resisted isometric testing can indicate a painful muscle (tendon). | Physiotutors
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RESISTED ISOMETRIC TESTING OF THE ELBOW To get a quick idea a…
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There’s a tendon in your arm that’s disappearing in modern humans—and no one knows why
There’s a tendon in your arm that’s disappearing in modern humans—…
2 months ago
MSNMarlon Wright
The ability to jump high is highly dependent on an efficient stretch shortening cycle (SSC). The SSC is the process where the muscle-tendon unit undergoes a rapid stretch (eccentric), followed by a reversal and shortening (concentric). This process can augment power production through several mechanisms, one of the most important being a recoil of the tendon, proving “free” energy. Reactive strength is the ability that drives the SSCs process. Think of reactive strength as how fast you can sprin
The ability to jump high is highly dependent on an efficient stretch …
5 months ago
FacebookJordan Pimstone | CSCS
Plyometrics Often reduced to “jump training,” but in reality a powerful tool for neuromuscular and tendon adaptation when applied with intent. 🔹 Why plyometrics matter Plyometric exercises exploit the stretch–shortening cycle (SSC), allowing athletes to produce high forces in minimal time. This makes them highly specific for sports that demand sprinting, cutting, jumping, and rapid change of direction. 🔹 Key physiological adaptations • ↑ Rate of force development (RFD) • ↑ Neural drive and mot
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Plyometrics Often reduced to “jump training,” but in reality a powerful …
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