1 — Spatium axilare laterale; Quadrangular spase; 2 — Joint capsule; Articular capsule; Articular recess; 3 — Coracobrachialis; 4 — Teres major; 5 — Serratus anterior; 6 — Spatium axilare mediale; Triangular spase; 7 — Medial border; 8 — Rhomboid major; 9 — Subscapularis; 10 — Rhomboid minor; 11 — Levator scapulae; 12 — Omohyoid, inferior belly; 13 — Supraspinatus; 14 — Superior transverse scapular ligament; 15 — Coracoclavicular ligament, conoid ligament; 16 — Trapezius; 17 — Subclavius; 18 — Coracoclavicular ligament, trapezoid ligament; 19 — Clavicle; 20 — Acromioclavicular joint; Joint capsule; Articular capsule; 21 — Coraco-acromial ligament; 22 — Acromion; 23 — Deltoid; 24 — Subacromial bursa; 25 — Coracoid process; 26 — Coracobrachial bursa; 27 — Pectoralis minor; 28 — Biceps brachii, short head; 29 — Pectoralis major; 30 — Intertubercular tendon sheath; 31 — Latissimus dorsi; Tendon; 32 — Biceps brachii, long head; 33 — Triceps
brachii, lateral head; 34 — Triceps brachii, long head
