The surfaces of the bones where they touch are covered by a smooth substance called cartilage that protects your bones and enables them to glide and move easily. The rounded head of the humerus, or upper arm bone, rests against the socket in the shoulder blade. The clavicle attaches your shoulder to your rib cage and holds it out and away from your body. Your clavicle connects with the shoulder blade at the acromioclavicular joint, or A.C. Bones of the shoulder joint include the Clavicle (collar bone), Scapula (large flat triangular bone called shoulder blade) and Humerus (upper arm bone). The shoulder joint is made up of bones, tendons, muscles and ligaments which hold the shoulder in place and allows for its movement. It can rotate through a greater range of motion than any other joint in your body. Similar to the hip joint, your shoulder is a large ball and socket joint. The procedure is meant to relieve your pain, improve your strength, increase your range of motion and enable you to use your shoulder and arm. The most common reasons for a shoulder replacement surgery are osteoarthritis, rotator cuff tear arthropathy, avascular necrosis or rheumatoid arthritis. What is a shoulder replacement?Ī shoulder replacement is a procedure that tries to eliminate the source of pain and dysfunction by replacing damaged parts of the shoulder joint with artificial components called prostheses. Educational video describing total shoulder replacement surgery.
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