Apparatus designed for exercising the rear leg muscles as well as the lower dorsal muscles of a patient

摘要

Apparatus for exercising the rear leg muscles as well as the lower dorsal muscles of a patient which includes an elongated bench having a footrest at one end which is adjustable in the longitudinal direction of the bench and a dorsal support at the other end attached to a vertically revolvable arm, and a drive device to move the revolvable arm in the vertical plane for bringing to bear an adjustable pressure on the patient's back by movement of the dorsal support.