Abstract: An exercise device consists of a bottom frame having a frame body, and a leg frame disposed at rear end of the frame body for tilting the frame body, a carrying unit having a seat mounted on the frame body, and a backrest mounted on the frame body, two action units having a pedal rod rotatably fastened at one end thereof with the frame body and at other end thereof with a pedal, a holding frame fastened pivotally with the frame body, a linking member connecting the pedal rod with the holding frame, and a damping device disposed at a pivoting end of the pedal rod. A linking device is disposed at the bottom of the frame body and connected with the linking members for enabling the two action units to operate in opposite directions.

Abstract: An exercise device is composed of a bottom frame, two driving units, and two damping units. The bottom frame has a bearing seat and two frame bodies mounted on the bearing seat and provided with a placing portion. The driving units have a driving portion fastened pivotally with the frame bodies, a grip portion fastened movably with the driving portion, and a guide portion fastened with the driving portion. The damping units have a damping member fastened at one end thereof with the placing portion such that another end of the damping member is extended to the driving portion via the guide portion. The damping units further have an adjusting device fastened with the driving portion and connected with the damping member for adjusting the damping force of the damping member.