Iliocostalis Lumborum: Difference between revisions
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[[Image:250px-Iliostalis.png|center|iliocostalis lumborum]] | [[Image:250px-Iliostalis.png|center|iliocostalis lumborum]] | ||
== Origin == | === Origin === | ||
Anterior surface of a broad and thick tendon w attached to the medial crest of sacrum, spinous processes of the lumbar vertebrae, 11th and 12th thoracic vertebrae, posterior part of the medial lip of iliac crest, supra-spinous ligament and the lateral crest of sacrum<ref name=":0">Muscle Testing and Function;4th Edition; Kendall, McCreary, Provance; Page No.138.</ref>. | |||
=== Insertion === | |||
By tendons into inferior borders of the angles of the lower 6 or 7 ribs<ref name=":0" /><ref name="p2">http://www.wheelessonline.com/ortho/iliocostalis_lumborum_1</ref> | |||
== Insertion | |||
inferior borders of the angles of the lower 6 or 7 ribs<ref name="p2" /> | |||
<br> | <br> | ||
Revision as of 14:17, 27 June 2018
Original Editor - Oyemi Sillo
Lead Editors - Vidya Acharya, Oyemi Sillo, Kim Jackson, Abbey Wright, Lucinda hampton, Evan Thomas, WikiSysop 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 w attached to the medial crest of sacrum, spinous processes of the lumbar vertebrae, 11th and 12th thoracic vertebrae, posterior part of the medial lip of iliac crest, supra-spinous ligament and the lateral crest of sacrum[2].
Insertion[edit | edit source]
By tendons into inferior borders of the angles of the lower 6 or 7 ribs[2][3]
Nerve Supply[edit | edit source]
Dorsal rami of thoracic and lumbar spinal nerves (T7 to L3)[4]
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.[4]
Action[edit | edit source]
- acting bilaterally, extension and hyperextension of the spine
- acting unilaterally, laterally flexes the spine[3]
Function[edit | edit source]
postural stabilization of vertebral column[4]
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 Muscle Testing and Function;4th Edition; Kendall, McCreary, Provance; Page No.138.
- ↑ 3.0 3.1 http://www.wheelessonline.com/ortho/iliocostalis_lumborum_1
- ↑ 4.0 4.1 4.2 http://www.anatomyexpert.com/app/structure/5243/
