US Patent 8425437 Physical rehabilitation apparatus

A physical therapy device, in one form, provides rotation, flexion and stretching to rehabilitate patients undergoing physical therapy. The physical rehabilitation apparatus can comprise a base and a track coupled to the base with the track configured to slide along the base. The apparatus can further comprise a bearing coupled to the track, the bearing allowing rotational movement about an axis substantially perpendicular to the track and a tread coupled to the bearing. In one form, the apparatus works with a number of attachments.