Posterior Scalene: Difference between revisions
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== Description == | == Description == | ||
<div>Posterior Scalene, AKA Scalenus Posterior, is one of the lateral muscles of the neck, belonging to the Scalene group. It is deeply placed, lying behind Sternocleidomastoid. </div> | |||
[[Image:Scalenus_posterior_-_animation03.gif]] | |||
== Origin == | == Origin == | ||
C4 to 6 | |||
Posterior tubercles of the transverse processes of cervical vertebrae 4 to 6 | |||
== Insertion == | == Insertion == | ||
2nd Rib | |||
Anterior surface of the 2nd rib, posterior to the tubercle for serratus anterior | |||
== Nerve Supply == | == Nerve Supply == | ||
Branchial Plexus C6 to 8 | |||
Branches of the ventral rami of cervical spinal nerves C6 to 8 | |||
== Blood Supply == | == Blood Supply == | ||
Ascending cervical artery and superficial cervical artery | |||
== Action == | == Action == | ||
Acting from above: elevation of the 2nd rib | |||
Acting from below, with Anterior and Middle Scalene cervical side flexion and rotation<ref>J Orthop Sports Phys Ther. 2002 Oct;32(10):488-96. | |||
Actions of the scalene muscles for rotation of the cervical spine in macaque and human. | |||
Buford JA, Yoder SM, Heiss DG, Chidley JV</ref> | |||
== Function == | == Function == | ||
Acting from above: acccessorymuscle of inspiration | |||
Acting from below, cervical side flexion and rotation; if both sides acting, small degree of cervical flexion | |||
== 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 23:47, 21 January 2014
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Lead Editors - Kim Jackson, Wendy Walker, Evan Thomas, Daphne Jackson and WikiSysop
Description[edit | edit source]
Origin[edit | edit source]
C4 to 6
Posterior tubercles of the transverse processes of cervical vertebrae 4 to 6
Insertion[edit | edit source]
2nd Rib
Anterior surface of the 2nd rib, posterior to the tubercle for serratus anterior
Nerve Supply[edit | edit source]
Branchial Plexus C6 to 8
Branches of the ventral rami of cervical spinal nerves C6 to 8
Blood Supply[edit | edit source]
Ascending cervical artery and superficial cervical artery
Action[edit | edit source]
Acting from above: elevation of the 2nd rib
Acting from below, with Anterior and Middle Scalene cervical side flexion and rotation[1]
Function[edit | edit source]
Acting from above: acccessorymuscle of inspiration
Acting from below, cervical side flexion and rotation; if both sides acting, small degree of cervical flexion
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.
- ↑ J Orthop Sports Phys Ther. 2002 Oct;32(10):488-96. Actions of the scalene muscles for rotation of the cervical spine in macaque and human. Buford JA, Yoder SM, Heiss DG, Chidley JV
