Examples of rehabilitation robots. (A) The Lokomat (Hocoma, Switzerland) which is an exoskeletal robot to manipulate patient’s hip and knee. (B) The Gait Trainer I and (C) the G-EO (Reha-Stim, Germany), which are end-effector robots that manipulate tje patient’s foot. (D) The Bimanutrak for bimanual training of wrist and forearm (Reha-Stim, Germany). (E) Osaka University’s shoulder and elbow robot (Asahi Chemical Industry) and (F) the Amadeo to manipulate the individual fingers (Tyromotion, Austria).