First, sit on the training bench, the head and back are completely attached to the backrest, the body is neutral and the shoulder straps are sinking, the central axis of the body position is elongated, the upper and lower legs are about vertical, the whole foot is on the ground, the elbows are bent with both hands, hold the handles at both ends, and the back support is stable and lift up at the same time, and the elbows are perpendicular to the ground when lowering to maintain muscle tension.
Features: The handles on both sides can be adjusted up and down to strengthen the force of the target muscle groups and adjust the stressed muscle groups.