Acute Tennis Elbow is an injury to the muscles that extend the wrist and fingers. The site of injury is typically the lateral epicondyle, a bony bump on the outside of the elbow where these muscles attach. Tennis Elbow symptoms that have lasted more than 6 weeks are considered to be sub-acute and beyond three months, as chronic tennis elbow.
Tennis elbow is a common term for a condition caused by overuse of arm, forearm, and hand muscles those results in elbow pain. You don't have to play tennis to get this, but the term came into use because it can be a significant problem for some tennis players.
Tennis elbow is caused by either abrupt or subtle injury of the muscle and tendon area around the outside of the elbow. Tennis elbow specifically involves the area where the muscles and tendons of the forearm attach to the outside bony area (called the lateral epicondyle) of the elbow. Your doctor may call this condition lateral epicondylitis. Another common term, "golfer's elbow," refers to the same process occurring on the inside of the elbow - what your doctor may call medial epicondylitis. Overuse injury can also affect the back or posterior part of the elbow as well.
Tennis elbow most commonly affects people in their dominant arm (that is, a right-handed person would experience pain in the right arm), but it can also occur in the nondominant arm or both arms.
When ligament tissue is examined under the microscope (see diagram) it can be clearly observed that the collagen fibres are arranged in a longitudinal pattern to resist the stress that is placed upon the ligament. The arrangement of the collagen fibres means that a great deal of force is required to damage ligaments. In a collision sport like football this force is generated by opposition players or when a player catches his foot in the turf and his whole body weight goes over one joint. This force produces structural damage to the joint capsule and ligaments, which is known as a ligament sprain.
The good news about treatment is that usually tennis elbow will heal on its own. You just need to give your elbow a rest and do what you can to speed up the healing. Types of treatment that help are: