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The hypoglossopharyngeal nerve. And your mom

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12y ago
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4mo ago

The spinal accessory nerve (cranial nerve XI) is involved in hyperextending and flexing the neck. This nerve innervates the trapezius and sternocleidomastoid muscles, which are involved in these movements.

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14y ago

Cranial nerve 11

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Q: What cranial nerve is involved in hyper extending and flexing the neck?
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