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9 Cards in this Set
- Front
- Back
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Frontalis |
Action - raises eyebrows; wrinkles skin of forehead Origin - occipital bone by way of Galea Aponeurosis Insertion - skin of eyebrows; bridge of nose |
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Orbicularis oculi |
Action - closes the eye Origin - frontal and maxillary bones; margin of orbit Insertion - skin around eye; circles the orbit |
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Zygomaticus major |
Action - raises lateral corners of mouth upward (smile) Origin - zygomatic bone Insertion - skin and muscle around the angle of the mouth |
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Orbicularis oris |
Action - closes and protrudes the lips (kissing action) Origin - maxilla and mandible Insertion - skin surrounding the mouth/lips |
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Buccinator |
Action - compresses cheek; pulls corner of the mouth laterally Origin - mandible and maxilla bone Insertion - orbicularis Oris and skin at angle of the mouth |
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Platysma |
Action - depressed the mandible; draws the angle of mouth downward; tightens skin of neck Origin - fascia of upper chest Insertion - mandible and skin of chin and cheek |
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Masseter |
Action - raises the mandible; prone move of closing the jaw Origin - zygomatic arch, maxilla Insertion - mandible |
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Temporalis |
Action - raises the mandible, closing the jaw Origin - temporal bone Insertion - coronoid process of mandible |
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Sternocleidomastoid |
Action - pulls head to one side, pulls head toward chest, or raises sternum Origin - manubrium of sternum and clavicle Insertion - mastoid process of temporal bone |
