Origin of Splenius cervicis.

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Multiple Choice

Origin of Splenius cervicis.

Explanation:
Origin of the Splenius cervicis is from the spinous processes of the upper thoracic spine, typically those from T3 through T6. From there the fibers ascend to insert on the transverse processes of the upper cervical vertebrae (C1–C3). This placement makes the muscle a key part of extension and ipsilateral rotation of the neck. The nuchal ligament is more connected with the splenius capitis origin, not the cervicis, and the spinous processes of lower levels (like T11–L2) or the transverse processes of the upper cervical spine don’t reflect this muscle’s true origin, so they’re not correct.

Origin of the Splenius cervicis is from the spinous processes of the upper thoracic spine, typically those from T3 through T6. From there the fibers ascend to insert on the transverse processes of the upper cervical vertebrae (C1–C3). This placement makes the muscle a key part of extension and ipsilateral rotation of the neck. The nuchal ligament is more connected with the splenius capitis origin, not the cervicis, and the spinous processes of lower levels (like T11–L2) or the transverse processes of the upper cervical spine don’t reflect this muscle’s true origin, so they’re not correct.

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