Built for speed: musculoskeletal structure and sprinting ability.

  title={Built for speed: musculoskeletal structure and sprinting ability.},
  author={Sabrina S. M. Lee and Stephen J. Piazza},
  journal={The Journal of experimental biology},
  volume={212 Pt 22},
The musculoskeletal structure of the foot and ankle has the potential to influence human sprinting performance in complex ways. A large Achilles' tendon moment arm improves the mechanical advantage of the triceps surae but also produces larger shortening velocity during rapid plantarflexion, which detracts from the force-generating capacity of the plantarflexors. The lever arm of the ground reaction force that resists the muscular plantarflexor moment during propulsive push-off is constrained… CONTINUE READING
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