Visit the AARP state page for information about events, news and resources near you. You are leaving AARP.org and going to the website of our trusted provider. The provider&#8217;s terms, conditions and policies apply. Please return to AARP.org to learn more about other benefits.
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, which leads to severe degradation of cartilage on one or more joints of the body, has no cure. The amount of cartilage that can be healed may depend on the severity of the injury. Osteoarthritis is a degenerative disease in which the cartilage is slowly destroyed at the joint. Certain physical therapies may be helpful in cartilage healing.