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Platysma

Cranial aponeurosis. F rontalis. Temporalis. Orbicularis oculi. Occipitalis. Zygomaticus. Masseter. Buccinator. Orbicularis oris. Sternocleidomastoid. Trapezius. Platysma. Frontalis -Allows you to raise your eyebrows is in surprise and to wrinkle your forehead.

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Platysma

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  1. Cranial aponeurosis Frontalis Temporalis Orbicularisoculi Occipitalis Zygomaticus Masseter Buccinator Orbicularisoris Sternocleidomastoid Trapezius Platysma

  2. Frontalis-Allows you to raise your eyebrows is in surprise and to wrinkle your forehead. • OrbicularisOculi-Allows you to close your eyes, squint, blink, and wink. • OrbicularisOris- Closes the mouth and protrudes the lips, “kissing muscle” • Buccinator-Allows you to whistle and blow, is listed as the “chewing muscle” • Zygomaticus-Extends from the corner of the mouth to the cheekbone, called the “smiling muscle” • Masseter-Closes the jaw by elevating the mandible • Temporalis-It inserts into the mandible and acts as a synergist of the massester in closing the jaw. • Platysma-To pull the corners of the mouth inferiorly, producing a downward sag of the mouth. • Sternocleidomastoid- when both muscles contract, they flex your neck. If one muscle contracts, the head is rotated toward the opposite side. • Cranial aponeurosis- Muscle attachment tissue. • Trapezius- Extends to the head, they also elevate, depress, adduct, and stablizethe scapula.

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