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Set 1 Muscles Face, Head, and Neck
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zygomaticus (major and minor)
cranial aponeurosis frontalis Epicranius temporalis orbicularis oculi occipitalis zygomaticus (major and minor) buccinator masseter orbicularis oris depressor anguli oris
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Temporalis Muscle
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Temporalis Origin: Insertion: Action: temporal fossa (temporal bone)
coronoid process (mandible) closes jaw (chewing)
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Epicranius: Frontalis
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Epicranius: Frontalis
Origin: Insertion: Action: epicranial aponeurosis skin and muscle around eye raises eyebrow and wrinkles forehead
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Epicranius: Occipitalis
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Occipitalis Origin: Insertion: Action:
occipital bone (to mastoid process of temporal bone) epicranial aponeurosis raises eyebrow and wrinkles forehead
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Orbicularis Oculi
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Orbicularis Oculi (sphincter)
Origin: Insertion: Action: maxillary and frontal bones skin around eyes (eyelids) closes eye; winking and blinking
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Eye color
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Orbicularis Oculi
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Buccinator
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Buccinator “trumpet player”
Origin: Insertion: Action: maxilla and mandible orbicularis oris (corner of mouth) flattens and compresses cheeks (blowing and holding food against teeth when chewing)
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Masseter
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Masseter Origin: Insertion: Action: lower border of zygomatic arch
ramus of mandible closes jaw; chewing
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Orbicularis oris
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Orbicularis Oris Origin: Insertion: Action:
muscles near mouth (buccinator), encircles mouth skin of lips, angle of mouth closes and puckers lips; kissing
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Zygomaticus: Minor and Major
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Zygomaticus: Minor and Major
Origin: Insertion: Action: arch of zygomatic bone orbicularis oris minor - upper lip major- corner of mouth) raises corner of mouth; smiling Minor- expression of contempt Major – laughing and smiling
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Depressor Anguli Oris
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Depressor Anguli Oris Origin: Insertion: Action: mandible
corner of mouth draws mouth downward; pouting
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