Muscles of Head, Neck, and Mastication
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| occipitofrontalis function | raises eyebrows and wrinkles forehead
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| orbicularis oculi function | closes eye
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| nasalis function | dilates nostrils
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| orbicularis oris | closes and purses lips
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| zygomaticus major | pulls corners of mouth upwards and outwards
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| zygomaticus minor | raises upper lip
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| buccinator | compresses cheek
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| platysma | wrinkles skin of neck
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| temporalis | elevates and retracts mandible
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| masseter | elevates mandible
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| medial pterygoid | opens and closes jaw. moves jaw from side to side and forwards and backwards
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| lateral pterygoid | opens and protrudes and laterally moves mandible
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| sternocleidomastoid | both muscles acting together flex neck. individually the muscles draw the head to that shoulder
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| splenius capitis | both muscles together extend neck. individual each muscle laterally flexes and rotates head
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| semispinalis capitis | both muscle together extend together. individually each muscle rotates the head
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| longissimus capitis | both muscles together extend head. individually muscle will turn face to the same side
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| trapezius | elevates and retracts scapula and depresses its medial aspect. extends and laterally flexes head and neck
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Created by:
LittleD331
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