Chest expander

The utility model discloses a chest expander which comprises a tension bar, a fixing piece is arranged on the outer side of the bottom of the tension bar, and an elastic band penetrates through the portion between the fixing piece and the tension bar. The pedal plates are arranged on the left side and the right side of the bottom of the tension bar respectively, the elastic belt is fixedly connected with the tension bar through bolts, a fixing frame is fixedly connected to the tops of the pedal plates, a fixing block is rotationally installed on the outer side of the fixing frame, and the end, away from the tension bar, of the elastic belt is fixedly connected to the outer side of the fixing block. According to the chest expander, the foot treading position can be adjusted, the foot treading position can be conveniently adjusted according to use requirements, and rehabilitation training of a patient is facilitated. 本实用新型公开了一种拉力器，包括：拉力杆，所述拉力杆的底部外侧设置有固定件，且固定件与拉力杆之间贯穿有弹力带；脚踩板，所述拉力杆的底部左右两侧分别设置有脚踩板，所述弹力带通过螺栓与拉力杆之间