Lab 18: Muscles of the Head and Neck Flashcards by Kiana Korte

Q

What is the insertion of scalenes?

A

Ribs 1 & 2

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Q

What is the origin of scalenes?

A

Transverse process of cervical vertebrae

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Q

What is the action of scalenes?

A

Elevates ribs 1 & 2

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Q

What is the origin of sternocleidomastoid?

A

Sternum

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Q

What is the insertion of sternocleidomastoid?

A

Mastoid process of temporal

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Q

What is the action of sternocleidomastoid?

A

Flexes head

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Q

What is the origin of orbicularis oris?

A

Fascia of facial muscles near mouth

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Q

What is the insertion of orbicularis oris?

A

Skin of lips

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Q

What is the action of orbicularis oris?

A

Closes lips

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Q

What is the origin of orbicularis oculi?

A

Frontalis

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Q

What is the insertion of orbicularis oculi?

A

Skin of eyelid

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Q

What is the action of orbicularis oculi?

A

Closes eyelid

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Q

What is the origin of temporalis?

A

Temporal fossa

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Q

What is the insertion of temporalis?

A

Ramus of mandible

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Q

What is the action of temporalis?

A

Closes mandible

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Q

What is the origin of masseter?

A

Zygomatic arch

Q

What is the insertion of masseter?

A

Ramus of mandible

Q

What is the action of masseter?

A

Closes mandible