Aerobics power exerciser

The utility model relates to an aerobics power exerciser, including seat, the box of taking the back, the seat is articulated with the back, is provided with a locking device in articulated department, the box surface is provided with the slide rail, and the seat bottom is equipped with the 2nd locking device, installs high adjusting device on the bracing piece of seat, be equipped with extension spring in the slide rail, extension spring one end is passed through elasticity adjusting device and is linked to each other with the seat, and the other end links to each other with the running -board, box fixed surface has the support, is provided with fixed link on the support, and fixed link passes through the hasp with pull rope to be connected, and the pull rope other end links to each other with the pull ring, still be provided with the limiting plate on the support, be provided with the counter on the limiting plate. The utility model discloses an aerobics power exerciser can carry out arm strength training a