Muscles are important, but stiff tendons are the secret ingredient for high-speed performance

By Anthony Blazevich, Professor of Biomechanics, Edith Cowan University

The fastest sprinter is the world right now is Lamont Marcell Jacobs, who won Olympic gold in the men’s 100-metre sprint with a time of 9.80 seconds. You might be surprised to learn that most of the explosive power displayed by Jacobs and other elite athletes doesn’t come from their muscles, or even from their minds – it comes from somewhere else.

Muscles are important, but the real secret is using training and technique to store and reuse elastic energy…

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