Contrary to popular belief, Tennis Elbow does not always or only occur as a result of playing Tennis! A direct hit to the elbow, heaving loading or over forceful extension or bending of the wrist can cause the pain commonly known as Tennis Elbow.
The most proven treatment involves an active approach that includes Eccentric exercise - defined as active contraction of a muscle, occurring simultaneously with lengthening of the muscle. TETwister was developed specifically for Tennis Elbow (and Golfers Elbow) sufferers.
It allows for graduated self-managed progression towards recovery by strengthening both the Agonists (Extensor muscles) and Antagonists (Flexor muscles) in both arms at the same time. Regular use will help prevent symptoms of Tennis Elbow by maintaining forearm muscle strength.