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ANATOMY OF THE

Trapezius muscle

Rhomboid minor muscle

Deltoid muscle

Spine of Infraspinatus Teres major muscle

Latissimus dorsi muscle

Long head Lateral head brachii muscle

Triangle of auscultation

Posterior View

Acromion

Coracoid process

Coracoacromial (cut) Subdeltoid bursa , Musculocutaneous (cut) of Intertubercular Circumflex scapular (cut) tendon sheath Teres major muscle (reflected) Acromial angle Acromion muscle (reflected)

Supraglenoid Superior angle Anterior circumflex tubercle humeral artery Superior border Anatomic neck Long head brachii Short head Greater tubercle muscle Neck

Lesser tubercle Medial border (cut) Glenoid Subscapular fossa Surgical neck cavity of (cut) scapula Intertubercular sulcus Head of Crest of humerus greater tubercle Lateral border Lateral cutaneous Crest of nerve of Inferior angle lesser tubercle Humerus Scapula Biceps brachii tendon Medial muscle supracondylar ridge Pronator teres Anterior Lateral muscle supracondylar ridge Flexor carpi radialis muscle Humerus and Scapula Condyles Medial Lateral Anterior Views Lateral epicondyle Medial epicondyle Capitellum Trochlea Coronoid fossa

244 ESSENTIALS OF MUSCULOSKELETAL CARE ■ © 2010 AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS