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45 Cards in this Set
- Front
- Back
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Muscles of mastication?
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Masseter and Temporalis
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Location of the Masseter?
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The Cheek area: extends from the zygomatic bone to the mandible.
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Action of the Masseter?
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Clenches the teeth, closes and raises the lower jaw.
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Location of the Temporalis?
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Extends from the temple region at the side of the head to the mandible.
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Action of the Temporalis?
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Raises the jaw and draws it backwards as in chewing.
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Expression and action of the Occipito-frontalis?
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Surprise. Raises the eyebrows.
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Location of the Occipito-frontalis?
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The forehead.
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Expression and action of the Corrugator?
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Frown. Draws the eyebrows together.
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Location of the Corrugator?
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Two muscles sitting above the brows.
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Expression and action of the Orbicularis Oculi?
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Winking. Closes the eyelid.
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Location of the Orbicularis Oculi?
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Surround th eye.
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Expression and action of the Risorius?
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Smiling. Draws mouth corners outwards.
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Location of the Risorius?
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Extends diagonally from the corners of the mouth.
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Expression and action of the Buccinator?
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Blowing. Compresses the cheeks.
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Location of the Buccinator?
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Inside the cheeks.
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Expression and action of the Zygomaticus?
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Laughing. Lifts the mouth corners upwards and outwards.
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Location of the Zygomaticus?
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Extends diagonally from the corners of the mouth.
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Expression and action of the Procerus?
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Distaste. Wrinkling the skin over the bridge of the nose.
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Location of the Procerus?
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Covers the bridge of the nose.
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Expression and action of the Nasalis?
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Anger. Opens and closes the nasal opening.
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Location of the Nasalis?
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Covers the front of the nose.
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Expression and action of the Quadratus labii superioris?
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Distaste. Raises and draws back the upper lips and nostrils.
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Location of the Quadratus labii superioris?
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Surrounds the upper lip.
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Expression and action of the Depressor labii?
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Sulking. Depresses the lower lip and draws it slightly to one side.
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Location of the Depressor labii?
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Surrounds the lower lip.
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Expression and action of the Orbicularis Oris?
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Kissing. Purses the lips, closes the mouth.
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Location of the Orbicularis Oris?
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Surrounds the mouth.
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Expression and action of the Triangularis?
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Sadness. Draws down the mouth's corners.
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Location of the Triangularis?
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The corner of the lower lip extends over the chin.
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Expression and action of the Mentalis?
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Doubt. Raises the lower lip, causing the chin to wrinkle.
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Location of the Mentalis?
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Chin.
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Expression and action of the Platysma?
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Fear, horror. Draws the mouth's corners downwards and backwards.
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Location of the Platysma?
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The sides of the neck and chin.
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Expression and action of the Diagastric?
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Responsible for a Double Chin. Depresses the mandible, moves the bones involved in swallowing.
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Location of the Diagastric?
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A deep muscle located under the chin.
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Action of the Sterno-Cleido Mastoid?
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"Flexes the neck
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Location of the Sterno-Cleido Mastoid?
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Runs from the sternum to the clavicle bone and the temporal bone.
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Action of the Trapezius?
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Draws the head backwards and allows movement at the shoulder.
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Location of the Trapezius?
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A large triangular muscle, covering the back of the neck and the upper back.
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Action of the Occipitalis?
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Draws scalp backwards.
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Location of the Occipitalis?
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Covers the back of the head.
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Action of the Pectoralis major?
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Moves the arm towards the upper body.
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Location of the Pectoralis major?
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The front of the chest.
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Action of the Deltoid?
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Takes the arm away from the side of the body.
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Location of the Deltoid?
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A thick triangular muscle, covering the shoulder.
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