Golfer's elbow is a condition that causes pain on the medial side of the elbow, and it can extend down the forearm. This is typically caused from overuse from a repetitive activity - usually the swing. Symptoms commonly develop over time gradually, but they can appear suddenly after a forcible use of the wrist or hand. There may be weakness of the hand as well.
Tennis Elbow is a condition on the outer side of the elbow, which is extremely painful. The main cause is overuse from repetitive motions of the extensor muscles of the wrist. Normally, has a slowly beginning and a gradual worsening. Symptoms are pain or burning over the lateral elbow, increased by forearm activities. The pain can sometimes spread down to the wrist and loss of grip strength.