An apparatus for rehabilitation of a patient sitting in a wheelchair, the apparatus having a passive support, an active support, a vertical motion restricting device, a wheelchair securing device, a horizontal motion device with respect to the passive support, and a horizontal motion device with respect to the vertical motion restricting device. Also, a method for rehabilitation of a patient when the patient is sitting in a wheelchair, the method having the steps of passively supporting the wheelchair, actively supporting the wheelchair, vertically restricting motion of the wheelchair, securing the wheelchair, and horizontally moving the wheelchair.