Muscles of the Head
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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| frontalis | origin: epicranial aponeurosis
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| frontalis | insertion: skin of eyebrows, bridge of nose
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| frontalis | "forehead" muscle
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| frontalis | action: raises eyebrows, wrinkles forehead
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| occipitalis | origin: occipital bone
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| occipitalis | insertion: epicranial aponeurosis
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| occipitalis | base of neck
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| occipitalis | action: tenses and retracts scalp
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| orbicularis oculi | origin: medial margin of orbit
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| orbicularis oculi | insertion: skin around eyelids
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| orbicularis oculi | circles your eye and eye socket
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| orbicularis oculi | action: closes eye
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| zygomaticus | origin: zygomatic bone
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| zygomaticus | insertion: angle of mouth; upper lip
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| zygomaticus | near corner of lips
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| zygomaticus | action: draws corner of mouth back and up
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| orbicularis oris | origin: maxillary bone and mandible
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| orbicularis oris | insertion: lips
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| orbicularis oris | circles lips
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| orbicularis oris | compresses, purses lips
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| buccinator | origin: maxillary bone and mandible
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| buccinator | insertion: blends into fibers of orbicularis oris
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| buccinator | cheek muscle
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| buccinator | action: compresses cheeks
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| platysma | origin: from cartilage of second rib to acromion of scapula
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| platysma | insertion: mandible and skin of cheek
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| platysma | broad sheet of muscle rising from chest and shoulder and runs up the neck
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| platysma | action: tenses skin of neck, depresses mandible
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| masseter | origin: zygomatic arch
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| masseter | insertion: lateral surface of mandible
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| masseter | near angle of jaw
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| masseter | action: elevates mandible
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| temporalis | origin: along temporal lines of skull
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| temporalis | insertion: coronoid process of mandible
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| temporalis | side of skull
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| temporalis | action: elevates mandible
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Created by:
lizzy.spangler
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