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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.
Degenerative joint disease, also known as osteoarthritis is due to the loss of articular cartilage within your joints. The articular cartilage is the cushioning that is on the ends of our bones. When we mature or finish growing, that cartilage is fairly thick, it is firm and rubbery â¦ and smoother than glass.nother common source of pain in a knee with degenerative joint disease is something we call synovitis. Inflamed synovium: notice how red and âangryâ it looks. The synovium is the tissue which lines the entire inside of our joint.