Psoas Major: Difference between revisions
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== Description<br> == | == Description<br> == | ||
Psoas Major is a long fusiform muscle placed on the side of the lumbar region of the vertebral column and brim of the lesser pelvis. <ref name="1">Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea &amp;amp; Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/.</ref> <br> | |||
Psoas Major is a long fusiform muscle placed on the side of the lumbar region of the vertebral column and brim of the lesser pelvis. | |||
<ref name="1">Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/.</ref> | |||
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[[Image:240px-Psoas major muscle11.png|left|Psoas major]] | [[Image:240px-Psoas major muscle11.png|left|Psoas major]] | ||
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== Origin<br> == | == Origin<br> == | ||
Transverse processes of lumbar vertebrae and lateral aspect of lumbar vertebral bodies<ref name="2">http://www.anatomyexpert.com/app/structure/5711/</ref> | |||
<br> | |||
== Insertion == | == Insertion == | ||
Lesser trochanter of the femur<ref name="2" /> | |||
<br> | |||
== Nerve Supply == | == Nerve Supply == | ||
Branches from the ventral rami of lumbar spinal nerves (L1, L2, and L3) before they join to form the lumbar plexus.<ref name="2" /> | |||
<br> | |||
== Blood Supply == | == Blood Supply == | ||
The muscle receives blood from the four lumbar arteries from the aorta, from small branches of the renal arteries, from small muscular branches of the common iliac artery, and from the deep circumflex iliac artery.<ref name="2" /> | |||
<br> | |||
== Action<br> == | == Action<br> == | ||
*Flexion of the thigh at the hip | |||
*Flexion of the thigh at the hip | |||
*Minimal action in lateral rotation and abduction of the thigh<ref name="3">http://www.wheelessonline.com/ortho/psoas</ref> | *Minimal action in lateral rotation and abduction of the thigh<ref name="3">http://www.wheelessonline.com/ortho/psoas</ref> | ||
== Function<br> == | == Function<br> == | ||
Stabilizes the lumbar spine <ref name="4">Sandy Sajko, Kent Stuber. Psoas Major: a case report and review of its anatomy, biomechanics, and clinical implications. J Can Chiropr Assoc. 2009 Dec; 53(4): 311–318.</ref> <br> | |||
Stabilizes the lumbar spine | |||
<ref name="4">Sandy Sajko, Kent Stuber. Psoas Major: a case report and review of its anatomy, biomechanics, and clinical implications. J Can Chiropr Assoc. 2009 Dec; 53(4): 311–318.</ref> | |||
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== <span style="line-height: 1.5em;">Recent Related Research (from </span>[http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]<span style="line-height: 1.5em;">)</span> == | == <span style="line-height: 1.5em;">Recent Related Research (from </span>[http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]<span style="line-height: 1.5em;">)</span> == | ||
Revision as of 18:10, 11 August 2015
Original Editor - Your name will be added here if you created the original content for this page.
Lead Editors - Vidya Acharya, Samrah khan, Lucinda hampton, Oyemi Sillo, Kim Jackson, George Prudden, Maram Salem, Samson Chengetanai, Joao Costa, Kardelen Aktas and Rachael Lowe
Description
[edit | edit source]
Psoas Major is a long fusiform muscle placed on the side of the lumbar region of the vertebral column and brim of the lesser pelvis. Cite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title
Origin
[edit | edit source]
Transverse processes of lumbar vertebrae and lateral aspect of lumbar vertebral bodiesCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title
Insertion[edit | edit source]
Lesser trochanter of the femurCite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title
Nerve Supply[edit | edit source]
Branches from the ventral rami of lumbar spinal nerves (L1, L2, and L3) before they join to form the lumbar plexus.Cite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title
Blood Supply[edit | edit source]
The muscle receives blood from the four lumbar arteries from the aorta, from small branches of the renal arteries, from small muscular branches of the common iliac artery, and from the deep circumflex iliac artery.Cite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title
Action
[edit | edit source]
- Flexion of the thigh at the hip
- Minimal action in lateral rotation and abduction of the thighCite error: Invalid
<ref>tag; name cannot be a simple integer. Use a descriptive title
Function
[edit | edit source]
Stabilizes the lumbar spine Cite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title
Recent Related Research (from Pubmed)[edit | edit source]
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