Muscles Of Facial Expression Flashcards by Yuriy Popovich | Brainscape

Q

Epicranius includes the …. And ….?

A

Frontalis and occipitallis

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Q

Function of Epicranius

A

Raises eyebrow

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Q

Orbicularis oculi

A

Closes eye

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Q

Orbicularis oris

A

Closes and protrudes lips

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Q

Buccinator

A

Compresses cheeks inward

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Q

Zygomaticus

A

Raises corner of mouth

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Q

Platysma

A

Draws angle of mouth downward

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Q

What two muscles close the jaw ?

They’re attached to the mandible and produce chewing movements

A

Masseter and temporalis

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Q

Masseter

A

Close jaw

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Q

Temporalis

A

Close jaw

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Q

What paired muscles allow head movements ?

A

Sternocleidomastoid

Splenius capitis

Semispinalis capitis

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Q

Sternocleidomastoid

A

Pulls head to one side

Pulls head toward chest

Raises sternum

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Q

Splenius capitis

A

Rotates head

Bends head to one side

Brings head into upright position

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Q

Semispinalis capitis

A

Extends head

Bends head to one side

Rotates head

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