Exercise device for building muscles of waist and legs

摘要

An exercise device is designed for developing muscles of waist and legs and is composed of a base, an upright support mounted on the base, a grip unit rotatably mounted on the upright support, two treading members fastened pivotally with the upright support and linked with the grip unit by a transmission mechanism, two damping members connected with the treading members and the base, and a support unit mounted on the upright support such that the support unit is corresponding in location to the grip unit.