US Patent 7513852 Exercise device having position verification feedback

An exercise device having position verification feedback capabilities. In one embodiment, the exercise device generally includes a base unit defining a support surface, at least two position sensors arranged along a sensing plane relative to the support surface for detecting the presence of the user along the sensing plane, and a controller in communication with the position sensors to determine the user's position relative to the sensing plane. In another embodiment, the exercise device is configured to simulate the activity of jumping rope. In a further embodiment, an exercise device is provided that is capable of measuring one or more parameters associated with a user's vertical jumping ability.