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) ...

Several areas of investigation for deceleration of an interstellar probe have been identified and these include: Reverse engine thrust, solar sail, Magsail, Medusa sail, microwave sail, orbital ...

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 ...

Brain injuries occur outside of combat as well as within. Our Soldiers and their families, our children and the elderly, are at risk for traumatic brain injury. "Many brain injuries are preventable if ...

Motion engineers can spend hours optimizing tuning parameters in servo-based systems, and still not get the performance they want. Their time may also be wasted if, at some point in the project, they ...

Modern electronic technology has provided us with a unique selection of dedicated high-tech instrumentation designed to monitor and evaluate the performance of our cars. Progressive hot rodders who ...