An elbow joint is made up of three bones namely, humerus, radius, and ulna. There are several important muscles that cross the elbow joint giving the strength and movement. Elbow disorder may involve arm muscles, elbow ligaments, tendons, and bones in the arm. Chronic pain of extensors at the elbow is known as tennis elbow. Over use of elbow and sports injuries can cause various elbow conditions. Golfers, Baseball pitchers, ... Read more