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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.
Share on Google Plus. Osteoarthritis, the most common type of arthritis, occurs when the cartilage on the ends of your bones wears down. This can cause pain and stiffness in the joints, swelling, muscle weakness, and a reduced range of motion in the affected joints.Osteoarthritis can occur in any joint, but is most often found in the hands, hips, knees, or spine.t is fairly common for osteoarthritis to occur in the vertebrae of the spine, but osteoarthritis in the spine qualifies for disability benefits only under certain conditions. To meet the requirements of the listing for spinal disorders, you must have a diagnosis of osteoarthritis in your spine and one of the following: