Medial epicondylitis, better known as golf elbow, affects the inside of the elbow and is caused by repetitive wrist flexion. Swinging, throwing, gripping and improper lifting are known to be causes. The pain can also spread to the forearm and wrist. There are many activities and professions that are conducive to a golf elbow diagnosis such as racket sports, throwing sports, weight training and fencing. Professions that commonly experience golf elbow include painters, construction, carpenters, plumbers, cooks and assembly line workers. Symptoms of golf elbow usually include pain and tenderness on the inner elbow and forearm, stiffness, weakness, numbness and tingling.