Patent ID: 8821417

Claim:
A method of monitoring human body movement of a human body having a center of mass, and a number of movable body parts that move relative to the center of mass during exercise, the method comprising: having an exerciser performing a movement wherein the center of mass is continuously moved laterally or horizontally in space relative to one of the ground and a component of an exercise machine, and wherein one or more movable body parts are in motion relative to the center of mass; measuring the speed of the center of mass of the human body moving through space relative to one of the ground and a component of an exercise machine; measuring the acceleration of the one or more movable body parts relative to the center of mass using one or more measurement devices applied to the one or more movable body parts during movement of a human body; and determining a movement economy profile of the human body movement using the data from the measurement devices, where the movement economy includes determining the ratio of the movement of the one or more body parts relative to the speed of the center of mass of the moving human body.