Scalenus Minimus: Difference between revisions
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'''Original Editor '''- | '''Original Editor ''' - [[User:Wendy Walker|Wendy Walker]] | ||
''' | '''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}} | ||
</div> | </div> | ||
== Description == | == Description == | ||
<div>Part of the Scalene group | <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. 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. GuhafckLRScalene 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><div>[[Image:Scalenus minimus.jpg]]<br></div><div></div> | ||
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. | |||
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 == | == Origin == | ||
C7 | C7 | ||
Anterior tubercle of transverse process of 7th cervical vertebra | Anterior tubercle of transverse process of 7th cervical vertebra | ||
== Insertion == | == Insertion == | ||
1st Rib and suprapleural fascia | 1st Rib and suprapleural fascia | ||
== Nerve Supply == | == Nerve Supply == | ||
Branches of the ventral rami of cervical spinal nerves 7 & 8 | |||
Branches of the ventral rami of cervical spinal nerves 7 & 8 | |||
== Blood Supply == | == Blood Supply == | ||
Subclavian artery, suprascapular artery and superficial cervical artery | Subclavian artery, suprascapular artery and superficial cervical artery | ||
== Action == | == Action == | ||
Acting from above, in conjuction with Anterior and Middle Scalene: elevation of 1st rib | Acting from above, in conjuction with [[Anterior Scalene|Anterior Scalene]] and [[Middle Scalene|Middle Scalene]]: elevation of 1st rib | ||
Helps raise and tense the dome of the parietal pleura | Helps raise and tense the dome of the parietal pleura | ||
== Function == | == Function == | ||
Accessory muscle of inspiration | Accessory muscle of inspiration | ||
== | == References == | ||
<references /><br> | |||
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[[Category:Anatomy]] | |||
[[Category:Cervical_Spine]] | |||
[[Category:Muscles]] | |||
[[Category:Musculoskeletal/Orthopaedics]] | |||
[[Category:Cervical Spine - Muscles]] | |||
Latest revision as of 13:40, 23 August 2019
Original Editor - Wendy Walker
Top Contributors - Vanessa Rhule, Kim Jackson, Wendy Walker and Evan Thomas
Description[edit | edit source]
Part of the Scalene group of lateral neck muscles,this muscle is absent in a large percentage of the population.
AKA Albinus Muscle, Sibson Muscle.
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]
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 Scalene 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
References[edit | edit source]
- ↑ 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. GuhafckLRScalene muscles and the brachial plexus: Anatomical variations and their clinical significance Clinical Anatomy Volume 10, Issue 4, pages 250–252, 1997
