Head and Neck Muscle Functions

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16 Terms

1
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Frontalis

Elevates eyebrows

2
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Occipitalis

Pulls scalp posteriorly

3
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Orbicularis Oculi

Closes the eye

4
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Zygomaticus Minor

Elevates lateral portion of upper lip

5
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Zygomaticus Major

Pulls mouth superiorly and laterally

6
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Risorius

Pulls mouth laterally

7
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Orbicularis Oris

Closes and protrudes lips

8
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Buccinator

Pulls cheeks in

9
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Platysma

Depresses lower lip and mandible

10
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Masseter

Elevates mandible

11
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Temporalis

Elevates and retracts mandible

12
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Medial Pterygoid

Elevates and protracts mandible

13
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Lateral Pterygoid

Protracts and depresses mandible

14
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Sternocleidomastoid

Flex head

15
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Scalenes

Move head laterally, elevate rib cage and vertebral column

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Trapezius Superior

Extends the head