Posterior branches of the lumbar nerves
- Posterior branches of the lumbar nerves
Infobox Nerve
Name = PAGENAME
Latin = rami posteriores nervorum lumbalium
GraySubject = 209
GrayPage = 924
Caption = Diagram of the distribution of the cutaneous branches of the posterior divisions of the spinal nerves.
Caption2 =
Innervates =
BranchFrom = lumbar nerves
BranchTo = superior cluneal nerves
MeshName =
MeshNumber =
DorlandsPre = r_02
DorlandsSuf = 12691706
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.
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