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Head and Neck Muscles

Head and Neck Muscles. Figure 6.15. Head and Neck Muscles. Facial muscles Frontalis—raises eyebrows Orbicularis oculi—closes eyes, squints, blinks, winks Orbicularis oris—closes mouth and protrudes the lips Buccinator—flattens the cheek, chews Zygomaticus—raises corners of the mouth

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Head and Neck Muscles

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  1. Head and Neck Muscles Figure 6.15

  2. Head and Neck Muscles • Facial muscles • Frontalis—raises eyebrows • Orbicularis oculi—closes eyes, squints, blinks, winks • Orbicularis oris—closes mouth and protrudes the lips • Buccinator—flattens the cheek, chews • Zygomaticus—raises corners of the mouth • Chewing muscles • Masseter—closes the jaw and elevates mandible • Temporalis—synergist of the masseter, closes jaw

  3. Head and Neck Muscles • Neck muscles • Platysma—pulls the corners of the mouth inferiorly • Sternocleidomastoid—flexes the neck, rotates the head

  4. Head and Neck Muscles Figure 6.15

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