... powered by rotating the wrist. The faster we rotate the ball, the stronger the dynamic and torsion is produced. The ... like golf, tennis, squash, cricket, badminton, baseball, bowling, basket-ball,, motocross, mountain climbing.2. Increases strength in fingers, wrists, hands ... , pianists, drummers,4. It can make the hurt hand return to original condition by degrees and rehabilitates sore muscles and ...