Background Change of direction (CoD) is associated with performance and injury in multidirectional sports. CoD consists of different phases (initial acceleration, deceleration, and re-acceleration) ...

This white paper explains test methodology for generating force versus velocity curves and the benefits of adding acceleration and deceleration ramps. The addition of ramps to a move profile can be ...

Most American football fans have seen something like this before and grimaced: A running back, sprinting at breakneck speed down the field, makes a swift cut to evade a defender. But when all his ...

4x4 Of The Year 2009 is here at last! Watch as we test how quickly our group of competitors can get through the ¼ mile and how quickly they can stop from 60mph-0 on 4x4OTY ’09!