Page 75 - untitled

AAAC32 21/5/05 10:50 AM Page 74
32 The pectoral and scapular regions

Costoclavicular Clavicle
ligament Intra-articular
disc
Sternocleidomastoid
Pectoralis major (clavicular head)
Deltopectoral triangle
Trapezius

First costal Manubrium Deltoid
cartilage sterni Thoracoacromial
artery Cephalic vein
Pectoralis major
Fig. 32.1
Lateral pectoral (sternocostal
The sterno-clavicular joint
nerve head)
Coraco-brachialis Coraco-
brachialis
Pectoralis minor Biceps
Biceps Triceps
Brachialis (medial head)
Serratus
anterior
Brachialis
Biceps tendon

Brachioradialis
Fig. 32.2
Bicipital aponeurosis
Muscles of the pectoral region and upper arm
Trapezius

Infraspinatus
Levator scapulae
and teres
Supraspinatus
minor
Suprascapular artery
Supraspinatus
Deltoid
Infraspinatus Infraspinatus
Teres minor
Teres minor
Axillary nerve
Teres major
and posterior
circumflex
humeral artery
Latissimus
dorsi
External Triceps
oblique
Circumflex
scapular artery
Fig. 32.3 Fig. 32.4
Muscles of the scapular region and back The triangular and quadrangular spaces

74 Upper limb