Scalenus Minimus: Difference between revisions
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Accessory muscle of inspiration | Accessory muscle of inspiration | ||
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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
