Scalenus Minimus: Difference between revisions

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<h2> Description  </h2>
== Description  ==
<div>Part of the Scalene group (with <a href="Anterior Scalene">Anterior Scalene</a>, <a href="Middle Scalene">Middle Scalene</a> and <a href="Posterior Scalene">Posterior Scalene</a>) 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%<span class="fck_mw_ref" _fck_mw_customtag="true" _fck_mw_tagname="ref">Am Surg. 2013 Apr;79(4):372-4.fckLRScalenus minimus muscle: overestimated or not? An anatomical study.fckLRNatsis K, Totlis T, Didagelos M, Tsakotos G, Vlassis K, Skandalakis P.</span> and 46%<span class="fck_mw_ref" _fck_mw_customtag="true" _fck_mw_tagname="ref">Walter G. Harry, John D.C. Bennett, Somes C. GuhafckLRScalene muscles and the brachial plexus: Anatomical variations and their clinical significancefckLRClinical AnatomyfckLRVolume 10, Issue 4, pages 250–252, 1997</span> of the population.</div><div>AKA Albinus Muscle, Sibson Muscle.</div><div></div><div><img src="/images/a/aa/Scalenus_minimus.jpg" _fck_mw_filename="Scalenus minimus.jpg" alt="" /></div><div></div>
<div>Part of the Scalene group 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.fckLRScalenus minimus muscle: overestimated or not? An anatomical study.fckLRNatsis K, Totlis T, Didagelos M, Tsakotos G, Vlassis K, Skandalakis P.</ref> and 46%<ref>Walter G. Harry, John D.C. Bennett, Somes C. GuhafckLRScalene muscles and the brachial plexus: Anatomical variations and their clinical significancefckLRClinical AnatomyfckLRVolume 10, Issue 4, pages 250–252, 1997</ref> of the population.</div><div>AKA Albinus Muscle, Sibson Muscle.</div><div></div><div>[[Image:Scalenus_minimus.jpg]]<br></div><div></div>  
<h2> Origin  </h2>
== Origin  ==
<p>C7
 
</p><p>Anterior tubercle of transverse process of 7th cervical vertebra
C7  
</p>
 
<h2> Insertion  </h2>
Anterior tubercle of transverse process of 7th cervical vertebra  
<p>1st Rib and suprapleural fascia
 
</p>
== Insertion  ==
<h2> Nerve Supply  </h2>
 
<p><a href="Brachial plexus">Brachial Plexus</a> C7 &amp; 8
1st Rib and suprapleural fascia  
</p><p>Branches of the ventral rami of cervical spinal nerves 7 &amp; 8
 
</p>
== Nerve Supply  ==
<h2> Blood Supply  </h2>
 
<p>Subclavian artery, suprascapular artery and superficial cervical artery
[[Brachial_plexus|Brachial Plexus ]]C7 &amp; 8  
</p>
 
<h2> Action  </h2>
Branches of the ventral rami of cervical spinal nerves 7 &amp; 8  
<p>Acting from above, in conjuction with Anterior and Middle Scalene: elevation of 1st rib
 
</p><p>Helps raise and tense the dome of the parietal pleura
== Blood Supply  ==
</p>
 
<h2> Function  </h2>
Subclavian artery, suprascapular artery and superficial cervical artery  
<p>Accessory muscle of inspiration
 
</p>
== Action  ==
<h2> Resources  </h2>
 
<h2> Recent Related Research (from <a href="http://www.ncbi.nlm.nih.gov/pubmed/">Pubmed</a>)  </h2>
Acting from above, in conjuction with [[Anterior_Scalene|Anterior]] and [[Middle_Scalene|Middle]] Scalene: elevation of 1st rib  
<div class="researchbox">
 
<p><span class="fck_mw_special" _fck_mw_customtag="true" _fck_mw_tagname="rss">http://www.ncbi.nlm.nih.gov/entrez/eutils/erss.cgi?rss_guid=12KS9FYSUmvgjvtuBg0_9KK4ymOJrqpIQUNQLDOokmdvSsH9jh|charset=UTF-8|short|max=10</span>  
Helps raise and tense the dome of the parietal pleura  
</p>
 
</div>
== Function  ==
<h2> References  </h2>
 
<p>References will automatically be added here, see <a href="Adding References">adding references tutorial</a>.
Accessory muscle of inspiration  
</p><p><span class="fck_mw_references" _fck_mw_customtag="true" _fck_mw_tagname="references" /> &nbsp;
 
</p>
== Resources  ==
 
== Recent Related Research&nbsp;  ==
<div class="researchbox"><rss>http://www.ncbi.nlm.nih.gov/entrez/eutils/erss.cgi?rss_guid=12KS9FYSUmvgjvtuBg0_9KK4ymOJrqpIQUNQLDOokmdvSsH9jh|charset=UTF-8|short|max=10</rss></div>  
== References  ==
 
<br>

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Description[edit | edit source]

Part of the Scalene group of lateral neck muscles,this muscle is absent in a large percentage of the population.
Cadaver studies report finding it on one side in between 7%[1] and 46%[2] of the population.
AKA Albinus Muscle, Sibson Muscle.
Scalenus minimus.jpg

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 [edit | edit source]

Failed to load RSS feed from http://www.ncbi.nlm.nih.gov/entrez/eutils/erss.cgi?rss_guid=12KS9FYSUmvgjvtuBg0_9KK4ymOJrqpIQUNQLDOokmdvSsH9jh|charset=UTF-8|short|max=10: Error parsing XML for RSS

References[edit | edit source]


  1. ↑ Am Surg. 2013 Apr;79(4):372-4.fckLRScalenus minimus muscle: overestimated or not? An anatomical study.fckLRNatsis K, Totlis T, Didagelos M, Tsakotos G, Vlassis K, Skandalakis P.
  2. ↑ Walter G. Harry, John D.C. Bennett, Somes C. GuhafckLRScalene muscles and the brachial plexus: Anatomical variations and their clinical significancefckLRClinical AnatomyfckLRVolume 10, Issue 4, pages 250–252, 1997
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