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Lateral Branches of Posterior Rami of Cervical Nerves (Left)
Nervous System

Lateral Branches of Posterior Rami of Cervical Nerves (Left)

Rami posteriores laterales nervorum cervicalium

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Description

The posterior rami of the cervical nerves (with exception of the first posterior ramus) divide into medial and lateral branches, lateral to the zygapophyseal joint.

The lateral branches second and third posterior rami innervate the muscles forming roof of the suboccipital triangle, as well as the longissimus capitis, semispinalis capitis, and splenius capitis muscles. The lateral branches of the fourth to eighth posterior rami innervate the muscles in the upper neck region. These include the longissimus colli, splenius colli, and iliocostalis colli muscles.

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Cervical Nerves

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Burner or stinger syndrome is a syndrome resulting from injuries to either the upper cervical nerve roots or the upper trunk of BP.

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