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Hyoid Bone

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Pectoral Girdles (Shoulder Girdles)<br />

The pectoral girdles consist of:<br />

Clavicle anteriorly & scapula posteriorly<br />

Anteriorly, the medial end of each clavicle joins the sternum<br />

The distal ends of the clavicle meet the scapulae laterally<br />

The scapulae are attached to the thorax & vertebral column by muscles<br />

The clavicle and scapula are light weight and very mobile<br />

However, there is a price to pay…greater mobility means poor stability<br />

often resulted in a painful dislocated shoulder<br />

Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings

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