Long Head Biceps Tendon Subclavian Vein Humeral Head Labrum Short Head of Biceps / Coracobrachialis Medial Cord Brachial Plexus Lateal Cord Brachial Plexus Posterior Cord Brachial Plexus Axillary Artery Axillary Vein Pectoralis minor Pectoralis major Rib Sternum Deltoid Infraspinatus Scapula / Glenoid Subscapularis Teres minor Serratus Anterior Trapezius
