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Glenohumeral Joint

The glenohumeral joint is a ball-and-socket synovial joint and is the most mobile joint in the human body. The joint is where the shoulder blade (scapula) meets the upper arm bone (humerus). This is a ball-and-socket joint. The socket (glenoid) is shallow, so it relies on the muscles and tendons around the shoulder to keep the ball (humerus) in place.

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