LYCOS RETRIEVER 
Tennis: Tennis Elbow
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Tennis elbow, one of the most common stress injuries of the arm, is a type of tendinitis that at some point afflicts almost one-third of all Americans who play tennis. Yet tennis players are not the only persons at risk, since any activity that calls for forceful, repeated contraction of the arm muscles can bring on tennis elbow. Working with carpentry tools, gardening, raking leaves, or even tightly gripping a heavy briefcase are only a few of the activities that can cause tennis elbow. Baseball, golf, bowling, racket sports, and even playing darts can bring it on.
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The damage that tennis elbow incurs consists of tiny tears in a part of the tendon and in muscle coverings. After the initial injury heals, these areas often tear again, which leads to hemorrhaging and the formation of rough, granulated tissue and calcium deposits within the surrounding tissues. Collagen, a protein, leaks out from around the injured areas, causing inflammation. The resulting pressure can cut off the blood flow and pinch the radial nerve, one of the major nerves controlling muscles in the arm and hand.
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"Clinicians who treat patients with tennis elbow often tell them to try a different size grip in order to alleviate muscle fatigue," says Dr. Hatch. "Our study demonstrates that those recommendations have no scientific basis. Therefore, it is reasonable to recommend whatever grip size feels most comfortable for them."
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Conventional medicine offers an assortment of treatments for tennis elbow, from drug injections to surgery, but the pain will never go away completely unless you stop stressing the joint. Re-injury is inevitable without adequate rest.
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Tennis Elbow