Quadratus Lumborum: Difference between revisions
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'''Original Editor '''- | '''Original Editor '''- Vanessa Rhule | ||
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The word quadratus comes from the Latin word "quadrus" meaning “square” while Lumborum comes from the Latin word "lumbus" for “loin.” | The word quadratus comes from the Latin word "quadrus" meaning “square” while Lumborum comes from the Latin word "lumbus" for “loin.” | ||
A thick, irregular, quadrilateral-shaped muscle sheet that lies in the posterior abdominal wall. | A thick, irregular, quadrilateral-shaped muscle sheet that lies in the posterior abdominal wall. | ||
== Anatomy == | == Anatomy == | ||
=== Origin<ref name="anatomy expert">Anatomyexpert.com. AnatomyEXPERT: Quadratus lumborum - Structure Detail [Internet]. 2015 [cited 15 August 2015]. Available from: http://www.anatomyexpert.com/app/structure/5307/</ref> === | === Origin<ref name="anatomy expert">Anatomyexpert.com. AnatomyEXPERT: Quadratus lumborum - Structure Detail [Internet]. 2015 [cited 15 August 2015]. Available from: http://www.anatomyexpert.com/app/structure/5307/</ref> === | ||
Posterior Iliac Crest | Posterior Iliac Crest | ||
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Medial half of 12th rib and transverse processes of lumbar vertebrae | Medial half of 12th rib and transverse processes of lumbar vertebrae | ||
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[[Image:Quadratus-lumborum-muscle-fibers.jpg|500x300px]] | |||
[[Image:Quadratus-lumborum-muscle-fibers.jpg|500x300px]] | |||
=== Nerve Supply<ref name="anatomy expert" /> === | === Nerve Supply<ref name="anatomy expert" /> === | ||
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Subcostal nerve (T12)<br>Iliohypogastric and Ilioinguinal nerve (both from L1) <br>Branches from the ventral rami (L2 and L3) | Subcostal nerve (T12)<br>Iliohypogastric and Ilioinguinal nerve (both from L1) <br>Branches from the ventral rami (L2 and L3) | ||
=== Blood Supply<ref name="radiopaedia">Jarvis M. Quadratus lumborum | Radiology Reference Article | Radiopaedia.org [Internet]. Radiopaedia.org. 2015 [cited 15 August 2015]. Available from: http://radiopaedia.org/articles/quadratus-lumborum</ref> === | === Blood Supply<ref name="radiopaedia">Jarvis M. Quadratus lumborum | Radiology Reference Article | Radiopaedia.org [Internet]. Radiopaedia.org. 2015 [cited 15 August 2015]. Available from: http://radiopaedia.org/articles/quadratus-lumborum</ref> === | ||
Branches of the subcostal artery<br>Branches of the lumbar arteries<br>The lumbar branch of the iliolumbar artery<br>The arteria lumbalis ima from the median sacral artery. | Branches of the subcostal artery<br>Branches of the lumbar arteries<br>The lumbar branch of the iliolumbar artery<br>The arteria lumbalis ima from the median sacral artery. | ||
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== Trigger Point Referral Pattern == | == Trigger Point Referral Pattern == | ||
[[Image:Quadratus lumborum trigger points referred pain-1024x768.jpg|500x300px]] | |||
[[Image:Quadratus | |||
[[Image:Quadratus-lumborum-trigger-point-interactions.jpg|500x300px]] | |||
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== Techniques == | == Techniques == | ||
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=== Palpation === | === Palpation === | ||
{{#ev:youtube|VsW896n71HU}} | {{#ev:youtube|VsW896n71HU}} | ||
=== Length Tension Testing === | === Length Tension Testing === | ||
Revision as of 19:39, 15 August 2015
Original Editor - Vanessa Rhule
Top Contributors - Vanessa Rhule, Lucinda hampton, Kim Jackson, Ahmed Nasr, George Prudden, Joao Costa, Admin, Wendy Walker, Naomi O'Reilly, WikiSysop and Wanda van Niekerk
Description[edit | edit source]
The word quadratus comes from the Latin word "quadrus" meaning “square” while Lumborum comes from the Latin word "lumbus" for “loin.”
A thick, irregular, quadrilateral-shaped muscle sheet that lies in the posterior abdominal wall.
Anatomy[edit | edit source]
Origin[1][edit | edit source]
Posterior Iliac Crest
Insertion[1][edit | edit source]
Medial half of 12th rib and transverse processes of lumbar vertebrae
Nerve Supply[1][edit | edit source]
Subcostal nerve (T12)
Iliohypogastric and Ilioinguinal nerve (both from L1)
Branches from the ventral rami (L2 and L3)
Blood Supply[2][edit | edit source]
Branches of the subcostal artery
Branches of the lumbar arteries
The lumbar branch of the iliolumbar artery
The arteria lumbalis ima from the median sacral artery.
Function[edit | edit source]
Actions[2][edit | edit source]
Quadratus Lumborum fixes the12th rib to stabilise diaphragm attachments during inspiration
Lateral flexes the vertebral column
Extends lumbar vertebrae
Functional contributions[edit | edit source]
The primary antagonist to each Quadratus Lumborum muscle is the Quadratus Lumborum muscle on the other side of the body.[3]
The muscle group is considered a postural muscle group.
Trigger Point Referral Pattern[edit | edit source]
Techniques[edit | edit source]
Palpation[edit | edit source]
Length Tension Testing[edit | edit source]
Treatment[edit | edit source]
Recent Related Research (from Pubmed)[edit | edit source]
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Resources[edit | edit source]
References[edit | edit source]
References will automatically be added here, see adding references tutorial.
- ↑ 1.0 1.1 1.2 Anatomyexpert.com. AnatomyEXPERT: Quadratus lumborum - Structure Detail [Internet]. 2015 [cited 15 August 2015]. Available from: http://www.anatomyexpert.com/app/structure/5307/
- ↑ 2.0 2.1 Jarvis M. Quadratus lumborum | Radiology Reference Article | Radiopaedia.org [Internet]. Radiopaedia.org. 2015 [cited 15 August 2015]. Available from: http://radiopaedia.org/articles/quadratus-lumborum
- ↑ Perry D. Quadratus Lumborum Trigger Points: Masters of Low Back Pain | TriggerPointTherapist.com [Internet]. Triggerpointtherapist.com. 2011 [cited 15 August 2015]. Available from: http://www.triggerpointtherapist.com/blog/quadratus-lumborum-trigger-points/ql-trigger-points-masters-low-back-pain/
