ACUPUNCTURE AND SHOULDER PAIN  Our discussion regarding shoulder pain and approach to patient will follow under following headings  HEADING  DESCRIPTION  SHOULDER ANATOMY  COMMON CAUSES OF SHOULDER PAIN AC TO MODERN MEDICINE  LOCATION OF PAIN REVEAL THE CAUSE OF PAIN   RED FLEGS OF SHOULDER PAIN   TCM EXPLANATION OF SHOULDER PAIN  MANAGEMENT THROUGH ACUPUNCTURE  DESCRIPTION  Shoulder anatomy overview The shoulder is the most mobile joint in the human body, which also makes it vulnerable to injury. It consists of: The ball and socket joint Rotator cuff muscles Tendons and ligaments Bursa (fluid sacs) Cartilage Nerves Bones including the clavicle, scapula, and humerus These bones form four joints: The glenohumeral joint is a ball-and-socket joint.  The sternoclavicular joint, at the top of the chest,   The acromioclavicular joint The scapulothoracic joint is where the scapula glides across the rib cage in the back of the shoulder