Disclosed are adjustable powered rehabilitation devices and methods for usingthe same to rehabilitate and/or train a user. The rehabilitation devicespreferably have a plurality of selectable power settings that correspond toone or more rehabilitation-oriented actions or functions of the rehabilitationdevices. For example, the power of the rehabilitation device may be selectedbased on a need, ability, muscle-power and/or physiological characteristics ofthe user. For instance, a rehabilitation device may be operated at arelatively low power setting to allow a patient to use his or her own musclepower when moving with the rehabilitation device. The rehabilitation devicemay also include an adjustable sensitivity level that corresponds to a userdifficulty in triggering a particular rehabilitation-oriented action. Thepowered rehabilitation device may also temporarily be used to train a user ininteracting with a passive or more conventional prosthetic device.