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5-4. ARRANGEMENT OF HUMAN SKELETAL MUSCLES

5-4. ARRANGEMENT OF HUMAN SKELETAL MUSCLES

See figures 5-1 and 5-2 for some of the skeletal muscles.

a. Trunk Musculature. The trunk musculature is arranged in two ways--longitudinal muscles and oblique muscles. Together, they:

(1) Maintain trunk posture.

(2) Move the parts of the trunk.

(3) Adjust the internal pressures of the trunk to perform certain functions such as breathing.

b. Limb Musculature. The limb musculature is arranged around the joints to produce the appropriate motions of the limbs. Elementary mechanics are described in the next section to help you to understand typical arrangements of limb musculature.

Primary Content Providers:  The U. S. Army, The U.S. Navy
Ancillary Content and Online Version: David L. Heiserman
Publisher: SweetHaven Publishing Services

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