Tennis Elbow is a swelling / inflammation around the bony prominence along the outer side (lateral side) of the elbow. This bony prominence is called the epicondyle, and this condition is also known as lateral epicondylitis. The swelling occurs in the tissues that attach the muscles of the forearm to the bone. These forearm muscles are responsible for movement of the wrist and fingers, and therefore use of the wrist causes pain along the outer side of the elbow. It can occur with playing racket sports such as tennis or with any repetitive activity requiring extension of the wrist.
Initial symptoms are pain along the outer side of the elbow in the area of the bony knob. The pain is worse with lifting. The outer side of the elbow will hurt to touch, and it may become swollen, warm and red.
Evaluating this condition can be more involved than with other overuse syndromes. In addition to your history and your doctor's examination, x-rays and other tests are frequently necessary.
Treatment can consist of medications to reduce inflammation, injections, rest, exercises, therapy and surgery. However, few patients require surgery for this condition.