The stick is an innovative device used by runners and other athletes to segment and stretch muscles in segments. Use it before exercise to prevent injury and quick recovery after exercise. Regular use can increase your strength, cycle and reduce the risk of injury. Muscle roller sticks are recommended by physical and massage therapists, staff trainers, and used by thousands of people to enhance their workout and physical exercise experience and recovery. Suitable for calves, hamstrings, back, limbs, neck and shoulders.