Chapter 10
The Muscular System
347
10
Sternocleidomastoid
Deltoid
Pectoralis major
Sternum
Biceps brachii
(a)
(b)
Subclavius
Clavicle
Subscapularis
Pectoralis minor
Coracobrachialis
Serratus anterior
Humerus
Subclavius
Deltoid
Cephalic vein
Pectoralis major
Serratus anterior
External oblique
Coracobrachialis
Rectus abdominis
Internal intercostals
(seen through external
intercostal membranes)
Sternocleidomastoid
Pectoralis minor
Biceps brachii
Figure 10.14
Superficial muscles of the thorax and shoulder acting on the scapula
and arm.
(a)
Anterior view. The superficial muscles, which effect arm movements, are shown
on the left side of the illustration. These muscles are removed on the right to show the muscles
that stabilize or move the pectoral girdle.
(b)
Cadaver dissection, anterior view of superficial
muscles of anterior thorax.
MUSCLE GALLERY
Table 10.8
(continued)
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