Sell Power Twister Bar Arm And Chest Builder 30kg 40kg 50kg best price

Arm strength equipment 30/40/50kg arm strength stick grip arm strength stick men's chest muscle fitness arm strength equipment Usage: 1. The arms are bent and the spring is flexed vigorously behind the neck. 2. With both arms forward, bend the spring upward, then release. 3. Bring your arms closer to your chest, bend the spring, then straighten them out and slowly relax. 4. Stand with your feet apart, bending your right elbow, bending the spring with your left hand, then bending your left elbow, bending the spring with your right hand. 5. With your arms behind you, grasp the spring, then straighten and gradually bend downward. Quantity not weight! Notes: 1. Please check whether the connection parts of the arm strength device are firm and free from looseness before use. 2. Please choose an arm strength device suitable for your physical fitness level to avoid muscle strain. 3. Put the harness on the handle of the arm strength device on your wrist when using it. 4. When using it, you should choose a relatively spacious place to exercise, so as not to hurt others. 5. Children under 12 years of age are advised not to use arm weights When in use, it should be done at a constant speed.