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Sample Chapter 10 from the Textbook (35559.0K) - McGraw-Hill

Sample Chapter 10 from the Textbook (35559.0K) - McGraw-Hill

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336 PART 2 Support and Movement<br />

Trapezius<br />

Seventh cervical<br />

vertebra<br />

Levator<br />

scapulae<br />

Rhomboideus<br />

minor<br />

Rhomboideus<br />

major<br />

(a) Posterior view<br />

Subclavius<br />

Coracoid<br />

process<br />

Pectoralis<br />

minor (cut)<br />

Subscapularis<br />

Pectoralis<br />

major (cut)<br />

Biceps brachii<br />

Latissimus dorsi<br />

Serratus anterior<br />

Pectoralis major (cut)<br />

Supraspinatus tendon<br />

Subscapularis<br />

Teres minor<br />

Teres major (cut)<br />

Pectoralis minor<br />

Latissimus dorsi (cut)<br />

External abdominal<br />

oblique<br />

Three of four<br />

rotator cuff<br />

muscles<br />

(b) Anterior view<br />

Scapula<br />

Ribs<br />

Serratus anterior<br />

Humerus<br />

FIGURE <strong>10</strong>.20 Muscles Acting on <strong>the</strong> Scapula<br />

(a) The trapezius is removed on <strong>the</strong> right to reveal <strong>the</strong> deeper muscles. (b) The pectoralis major is<br />

removed on both sides. The pectoralis minor is removed on <strong>the</strong> right side. (c) Lateral view showing<br />

<strong>the</strong> location of <strong>the</strong> serratus anterior. (The bold terms denote muscles that act on <strong>the</strong> scapula.)<br />

(c) Lateral view

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