Major Skeletal Muscles

Major Skeletal Muscles - Major Skeletal Muscles...

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Major Skeletal Muscles The major skeletal muscles are  illustrated in Figures 1 through 6 and  described in Tables 1 through 4. Figure 1. The major skeletal muscles— anterior superficial view.
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Figure 2. The major skeletal muscles— posterior superficial view.
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Table 1. Muscles of the Head and Neck Muscle Origin/Insertion Action frontalis o: galea aponeurotica i: skin around eyes raises eyebrows; surprised occiptalis o: occipital bone i: galea aponeurotica pulls scalp back; surprised orbicularis oculi o: maxillary and frontal bones i: eyelids closes eyelids; blinking orbicularis oris o: muscle fibers around mouth i: skin around mouth closes lips; kissing buccinator o: maxilla and mandible i: orbicularis oris compresses cheek; whistling platysma o: fascia in upper chest i: mandible and corner of mouth lowers mandible; opens mouth mentalis o: mandible i: skin of chin protrudes lower lip; pouting risorius o: fascia on masseter muscle lateral movement of lips; grimacing
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Table 1. Muscles of the Head and Neck Muscle Origin/Insertion Action frontalis o: galea aponeurotica i: skin around eyes raises eyebrows; surprised occiptalis o: occipital bone i: galea aponeurotica pulls scalp back; surprised i: skin at corner of mouth zygomaticus o: zygomatic bone i: skin around mouth raises edges of mouth; smiling levator labii superioris o: infroarbital margin
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Major Skeletal Muscles - Major Skeletal Muscles...

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