Scalenus Minimus: Difference between revisions
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== Description == | == Description == | ||
<div>Part of the Scalene group (with [[Anterior_Scalene|Anterior Scalene]], [[Middle_Scalene|Middle Scalene]] and [[Posterior_Scalene|Posterior Scalene]]) of lateral neck muscles,this muscle is absent in a large percentage of the population.</div><div>Cadaver studies report finding it on one side in between 7%<ref>Am Surg. 2013 Apr;79(4):372-4. | |||
Scalenus minimus muscle: overestimated or not? An anatomical study. | |||
Natsis K, Totlis T, Didagelos M, Tsakotos G, Vlassis K, Skandalakis P.</ref> and 46%<ref>Walter G. Harry, John D.C. Bennett, Somes C. Guha | |||
Scalene muscles and the brachial plexus: Anatomical variations and their clinical significance | |||
Clinical Anatomy | |||
Volume 10, Issue 4, pages 250–252, 1997</ref> of the population.</div><div>AKA Albinus Muscle, Sibson Muscle.</div><div></div> | |||
== Origin == | |||
C7 | |||
Anterior tubercle of transverse process of 7th cervical vertebra | |||
== Insertion == | == Insertion == | ||
1st Rib and suprapleural fascia | |||
== Nerve Supply == | == Nerve Supply == | ||
[[Brachial_plexus|Brachial Plexus]] C7 & 8 | |||
Branches of the ventral rami of cervical spinal nerves 7 & 8 | |||
== Blood Supply == | == Blood Supply == | ||
Subclavian artery, suprascapular artery and superficial cervical artery | |||
== Action == | == Action == | ||
Acting from above, in conjuction with Anterior and Middle Scalene: elevation of 1st rib | |||
Helps raise and tense the dome of the parietal pleura | |||
== Function == | == Function == | ||
Accessory muscle of inspiration | |||
== Resources == | == Resources == | ||
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References will automatically be added here, see [[Adding References|adding references tutorial]]. | References will automatically be added here, see [[Adding References|adding references tutorial]]. | ||
<references /> | <references /> | ||
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Revision as of 00:22, 22 January 2014
Original Editor - Your name will be added here if you created the original content for this page.
Lead Editors - Vanessa Rhule, Kim Jackson, Wendy Walker and Evan Thomas
Description[edit | edit source]
Origin[edit | edit source]
C7
Anterior tubercle of transverse process of 7th cervical vertebra
Insertion[edit | edit source]
1st Rib and suprapleural fascia
Nerve Supply[edit | edit source]
Brachial Plexus C7 & 8
Branches of the ventral rami of cervical spinal nerves 7 & 8
Blood Supply[edit | edit source]
Subclavian artery, suprascapular artery and superficial cervical artery
Action[edit | edit source]
Acting from above, in conjuction with Anterior and Middle Scalene: elevation of 1st rib
Helps raise and tense the dome of the parietal pleura
Function[edit | edit source]
Accessory muscle of inspiration
Resources[edit | edit source]
Recent Related Research (from Pubmed)[edit | edit source]
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References[edit | edit source]
References will automatically be added here, see adding references tutorial.
- ↑ Am Surg. 2013 Apr;79(4):372-4. Scalenus minimus muscle: overestimated or not? An anatomical study. Natsis K, Totlis T, Didagelos M, Tsakotos G, Vlassis K, Skandalakis P.
- ↑ Walter G. Harry, John D.C. Bennett, Somes C. Guha Scalene muscles and the brachial plexus: Anatomical variations and their clinical significance Clinical Anatomy Volume 10, Issue 4, pages 250–252, 1997
