Iliocostalis Lumborum
Original Editor - Oyemi Sillo
Lead Editors - Vidya Acharya, Oyemi Sillo, Kim Jackson, Abbey Wright, Lucinda hampton, WikiSysop, Evan Thomas and 127.0.0.1
Description[edit | edit source]
Iliocostalis Lumborum belongs to the lateral column of the Sacrospinalis group of muscles.[1]
Origin[edit | edit source]
anterior surface of a broad and thick tendon which originates from the sacrum, spinous proceses of the lumbar vertebrae and from the inner lip of the iliac crest[2]
Insertion[edit | edit source]
inferior borders of the angles of the lower 6 or 7 ribs[2]
Nerve Supply[edit | edit source]
Dorsal rami of thoracic and lumbar spinal nerves (T7 to L3)[3]
Blood Supply[edit | edit source]
Dorsal branches of the lumbar arteries from the aorta. Dorsal branches of the lateral sacral artery from the internal iliac artery.[3]
Action[edit | edit source]
- acting bilaterally, extension and hyperextension of the spine
- acting unilaterally, laterally flexes the spine[2]
Function[edit | edit source]
postural stabilization of vertebral column[3]
Recent Related Research (from Pubmed)[edit | edit source]
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References[edit | edit source]
- ↑ Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/.
- ↑ 2.0 2.1 2.2 http://www.wheelessonline.com/ortho/iliocostalis_lumborum_1
- ↑ 3.0 3.1 3.2 http://www.anatomyexpert.com/app/structure/5243/
