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16 Cards in this Set
- Front
- Back
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frontalis
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origin: epicranial aponeurosis
insertion: skin above orbit action: raises eyebrows |
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occipitalis
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origin: occipital bone and mastoid process
insertion: epicranial aponeurosis action: draws scalp back |
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temporalis
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origin: temporal and frontal bones
insertion: mandible action: elevates and retracts mandible |
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orbicularis oculi
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origin: medial wall of orbit
insertion: skin around eyelips action: close eyes |
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zygomaticus major
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origin: zygomatic bone
insertion: orbicularis oris action: raises corner of mouth (smiling) |
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zygomaticus minor
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origin: zygomatic bone
insertion: upper lip action: raises upper lip (exposing upper teeth) |
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orbicularis oris
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origin: muscles surrounding mouth
insertion: skin at corner of mouth action: closes and purses lips |
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masseter
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origin: maxilla and zygomatic arch
insertion: mandible action: elevates mandible (closing mouth, chewing) |
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buccinator
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origin: maxilla and mandible
insertion: orbicularis oris action: whistle |
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platysma
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origin: fascia over deltoid and pectoralis major muscle
insertion: mandible action: pouting (depresses mandible) |
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sternocleidomastoid
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origin: sternum and clavicle
insertion: mastoid process action: flexes head, rotates head from side to side |
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digastric
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origin: mandible and mastoid process
insertion: hyoid bone action: depresses mandible |
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mylohyoid
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origin: mandible
insertion: hyoid action: elevates hyoid |
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sternohyoid
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origin: manubrium and first costal cartilage
insertion: hyoid bone action: depresses hyoid bone |
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levator scapulae
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origin: c1-c4
insertion: scapula action: elevates, rotates, and retracts scapula |
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trapezius
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origin: occipital bone, spines of vertebrae
insertion: clavicle, scapula action: extends head and elevates scapula |
