bormei Finger Exerciser Ball Hand Strengthener Squeeze Ball Strengthening Equipment for Arthritis Grip Strength Training for Athletes Musicians Physical Therapy

'Let's begin to TRULY understand hand muscles - they directly affect the function of your fingers, thumb, hand, wrist, carpal tunnel & elbow. Nine muscles close the hand. Nine muscles open the hand. It's that simple. Strengthen all 18 for maximum health & performance.' - Dr. Terry Zachary Hand Strength & Balance: Made Simple Complete hand: strength & Rehabilitation, the science of hand exercise. Professionally recommended for advanced hand grip strength and finger exercise training in: Sports, Music, Fitness and Workplace. Allows health care professionals, trainers, athletes, musicians and other users to control the resistance of hand exercise device used. MAIN EXERCISE 1.Squeeze against the ball for 1 second. 2.Open & spread against the ball cord for 1 second. 3.Repeat until comfortable fatigue. Material : PU SIZE :65X56mm