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Causes. The shoulder joint is the most frequently dislocated joint of the body. Because it moves in several directions, your shoulder can dislocate forward, backward or downward, completely or partially, though most dislocations occur through the front of the shoulder. dislocated shoulder may be caused by: 1  Sports injuries. 2  Shoulder dislocation is a common injury in contact sports, such as football and hockey, and in sports that may involve falls, such as downhill skiing, gymnastics and volleyball. 3  Trauma not related to sports.
Osteoarthritis or Degenerative Joint Disease is the most common type of arthritis that occurs most commonly in hips, knees, ankles, and foot joints. Osteoarthritis is also known as wear and tear arthritis since the cartilage simply wears out.he pain is usually described as being in the groin or thigh for degenerative joint disease of the hip. Degenerative joint disease of the knee most often results in pain in the knee joint. The pain is frequently associated with activity and relieved by rest.