Handmaster Plus Hand Exerciser Strengthens the muscles that close and open the hand, in one continuous exercise. Maximizes strength, balance and blood flow to the hand, wrist and elbow. For daily outpatient use for: Carpal tunnel syndrome, tennis elbow, golfer's elbow, RSI's (repetitive stress injuries), tendonitis, DeQuervain's syndrome, Dupuytren's contracture, osteoarthritis, osteoporosis, stroke and neuropathy, post-surgical rehabilitation, subluxation and adhesion and circulatory concerns. Combines 3 strengthening and balancing exercises into one, for ease of patient compliance and practitioner convenience. Instructions included.