This outline of shoulder pain presents the clinician with a simplified list of the causes. They have bee divided into extrinsic and intrinsic causes. The intrinsic causes constitute the bulk of the presentation in primary care and are further subdivided into rotator cuff disorders, glenohumeral disorders, acromioclavicular disease and shoulder instability. Subacromial pain syndrome – is the most common group of disorders responsible for shoulder pain in primary care. Shoulder anatomy has been shown for easy reference and the red flags as tumor, infection, dislocation and rotator cuff tear should be excluded.