A body weight support system includes a support track, a trolley, and a power rail. The support track has a first portion and a second portion. The trolley has a support assembly and a drive assembly. The support assembly is configured to support at least a portion of a body weight of a user. The drive assembly is configured to movably suspend the trolley from the first portion of the support track when the user moves along a first surface and is configured to movably suspend the trolley from the second portion of the support track when the user moves along a second surface separate from the first surface. The power rail is coupled to the support track and is configured to be in electrical contact with a portion of the trolley as the trolley moves along the first portion and the second portion of the support track.
