Posterior branches of the lumbar nerves

Posterior branches of the lumbar nerves
Posterior branches of the lumbar nerves
	Diagram of the distribution of the cutaneous branches of the posterior divisions of the spinal nerves.
Details
From	lumbar nerves
To	superior cluneal nerves
Identifiers
Latin	rami posteriores nervorum lumbalium
	Anatomical terms of neuroanatomy [edit on Wikidata]

The posterior branches of the lumbar nerves branch from the dorsal rami of the lumbar nerves.

Branches

The medial branches run close to the articular processes of the vertebræ and end in the Multifidus.
The lateral branches supply the Sacrospinalis. The upper three give off cutaneous nerves which pierce the aponeurosis of the Latissimus dorsi at the lateral border of the Sacrospinalis and descend across the posterior part of the iliac crest to the skin of the buttock, some of their twigs running as far as the level of the greater trochanter.

This article incorporates text in the public domain from page 924 of the 20th edition of Gray's Anatomy (1918)

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v t e Spinal nerves
Cervical	C1 C2 C3 C4 C5 C6 C7 C8 anterior Cervical plexus Brachial plexus posterior Posterior branches of cervical nerves Suboccipital – C1 Greater occipital – C2 Third occipital – C3
Thoracic	T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 anterior Intercostal Intercostobrachial – T2 Thoraco-abdominal nerves – T7–T11 Subcostal – T12 posterior Posterior branches of thoracic nerves
Lumbar	L1 L2 L3 L4 L5 anterior Lumbar plexus Lumbosacral trunk posterior Posterior branches of the lumbar nerves Superior cluneal L1–L3
Sacral	S1 S2 S3 S4 S5 anterior Sacral plexus posterior Posterior branches of sacral nerves Medial cluneal nerves
Coccygeal	anterior Coccygeal plexus posterior Posterior branch of coccygeal nerve