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Learning muscles of the head


o: cranial aponeurosis; i: skin of eyebrows; raises brows


O: temporal bone | I: coronoid process of mandible | A: elevates and retracts mandible; closes jaw, covers over temporal bone

Orbicularis oculi

o: frontal bone; i: tissue around eyes; blinks and closes eyes


o: zygomatic bone; i: skin and muscle at corner of lips; raises corners of mouth


compresses cheek, moves food around in the mouth

orbicularis oris

o: mandible and maxilla; i: skin and muscle around mouth; closes and protrudes lips


o: temporal bone; i: mandible; closes jaw


o: sternum, clavicle; i: temporal bone; flexes neck, rotates head

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