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12 Cards in this Set
- Front
- Back
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frontalis |
ORIGIN- forehead INSERTION- ACTION- raises eyebrows, draws scalp forward |
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occipitalis |
ORIGIN- base of skull INSERTION- ACTION- draws scalp backward |
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orbicularis oris |
ORIGIN- around mouth INSERTION- ACTION- closes mouth |
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zygomaticus major |
ORIGIN- zygomatic bone INSERTION- skin at corners of mouth ACTION- draws mouth up and back |
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buccinator |
ORIGIN- cheek of face INSERTION- ACTION-compresses cheek |
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platysma |
ORIGIN- fascia of chest INSERTION- skin of lower face ACTION- depresses lower lip |
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orbicularis oculi |
ORIGIN- orbit INSERTION- skin of eyelid ACTION- closes eye; blinks |
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mentalis |
ORIGIN- body of mandible INSERTION- skin of chin ACTION- protrudes lower lip; wrinkles chin |
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masseter |
ORIGIN- zygomatic arch INSERTION- mandibular ramus ACTION-elevates mandible |
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temporalis |
ORIGIN-side of skull INSERTION-coronoid process ACTION-closes jaw |
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internal pterygoid |
ORIGIN- face INSERTION- medial surface of mandibular ramus ACTION- assists masseter |
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external pterygoid |
ORIGIN- sphenoid INSERTION- mandibular condyle ACTION- protracts jaw |
