If you've ever seen people at the gym or the park jumping, hopping or hurling weighted balls to the ground, chances are they were doing plyometric exercises. Examples include: There are many more ...

There was a time when the optimal exercise speed was however fast you had to run to get away from a saber-tooth tiger. Even today, in much of the developing world, people exercise through activities ...

Speed is one of the most exciting elements of the current NFL game. Not only do the running backs and wide receivers possess world-class speed, but now the interior linemen are now moving at speeds ...

Poeple exercise in order to get fitter and stronger, but it is also important to regulate your nervous system. Here are some ...