Patent ID: 7854685

Claim:
A training system comprising: a frame; a user support portion coupled to the frame and arranged to support a user; a user engagement portion coupled to the frame and arranged to be engaged by at least one body part of the user; a force sensor in communication with the user engagement portion for sensing a user-applied force; at least one position sensor operably connected to at least one of the user support portion and the user engagement portion for sensing a relative position therebetween; a motor coupled to at least one of the user support portion and the user engagement portion for driving a position thereof with respect to the frame over a range of motion at a preprogrammed velocity; a controller in communication with the motor, the force sensor, and the at least one position sensor; and a knee position mechanism movably coupled to the frame and extending generally vertically upward therefrom between the user support portion and the user engagement portion, the knee position mechanism including a sensor in communication with the controller for tracking a horizontal position of a knee of the user over the range of motion.