This occurs on the lateral side of the elbow, the side farthest from the ribs. The muscles and tendons that extend your wrist,open your hand, and turn the palm up are most at risk of this problem. It is called ”tennis elbow,” even though most people who get it do not play tennis. Lateral epicondylitis is the most common type.
This occurs on the medial side of the elbow, the side closest to your ribs. It can be caused by the movement like a golf swing. So the problem is often called “golfer’s elbow,” even though most people who have it don’t play golf.One or more muscles and tendons along the inner elbow may be injured.