Pro Arm Revolution.
APPARATUS FOR MUSCLE STRENGTHENING AND STRETCHING-Physiotherapy Machine. FIELD OF INVENTION Embodiments of a present disclosure relate to muscle strengthening, and more particularly to an apparatus for (upper limb) hand muscle strengthening. Physiotherapy Machine.BACKGROUND Nowadays, hand injuries are very common because when a person meets an accident; the person will subconsciously support the upper limbs (e.g., elbow, wrist, forearm, and …