Neck Flashcards by Collin Huth

Q

Sternocleidomastoid

A

Innervation: CN XI

Action: Bilateral - flex head, Unilateral - rotate head, face directed to opposite side

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Q

Scalenus anterior

Scalenus medius

A

Innervation: Branches of ventral rami of cervical spinal nerves

Action: Flex neck and elevate rib 1

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Q

Omohyoid

A

Innervation: Ansa cervicalis

Action: Depresses hyoid bone

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Q

Sternohyoid

A

Innervation: Ansa cervicalis

Action: Depresses hyoid bone

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Q

Sternothyroid

A

Innervation: Ansa Cervicalis

Action: Depresses thyroid cartilage, indirectly depresses hyoid bone, larynx

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Q

Thyrohyoid

A

Innervation: C1 via branch hitchhiking with hypoglossal nerve

Action: Depresses hyoid bone, elevates laynrx

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