A physical therapy apparatus for use in conjunction with a treadmill provides an assistive force to a forward movement of the legs. The distributed base station includes a Base Band Unit and a Remote Radio Unit. An adjusting member may be disposed at the output shaft for adjusting a position of the output shaft relative to at least one of the housing or the first control interface portion of the first brake arm. The LED member comprises a plurality of tail portions soldering to the other mounting surface, each tail portion comprises a straight portion, a connecting portion extending forwardly from the distal end of the straight portion, and a soldering portion extending vertically from the distal end of the connecting portion. Each ferromagnetic layer has a magnetization that can be oriented in either of two directions.