Archive for September, 2016

bolt sprint run olympics jamaica


It’s been widely theorized¬†for a while now that a runner’s ability to extend his/her hips powerfully¬†is the most important factor in determining sprinting speed. High hip extension velocities have been shown to be correlated with greater running speed, and the force produced by the hip extensors have been shown to increase with higher running speeds, so it stands to reason that training your hip extensors to put MORE force into the ground at a FASTER rate will make you run faster.