By holding this ball in your hand tight your blood flow in your arm will increase. It efficiently rehabilitates wrist pain, fracture, scaphoid fracture, radial head fracture, numbness in fingers, numb hands, fractured wrist, elbow tendonitis, broken bones and olecranon bursitis. It also increases strength in your fingers, wrists, hands, forearms, biceps, triceps, ligaments and shoulders. Recommended by docters around the world. It’s also a very effective warmup before lifting weights.
