Posterior Scalene: Difference between revisions
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'''Original Editor '''- | '''Original Editor ''' - [[User:Wendy Walker|Wendy Walker]] | ||
'''Lead Editors''' - {{Special:Contributors/{{FULLPAGENAME}}}} | '''Lead Editors''' - {{Special:Contributors/{{FULLPAGENAME}}}} | ||
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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.fckLRActions of the scalene muscles for rotation of the cervical spine in macaque and human.fckLRBuford 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 == | ||
== References == | == References == | ||
<references /><br> | |||
[[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
Lead Editors - Kim Jackson, Wendy Walker, Evan Thomas, Daphne Jackson and WikiSysop
Description[edit | edit source]
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.
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]
References[edit | edit source]
- ↑ J Orthop Sports Phys Ther. 2002 Oct;32(10):488-96.fckLRActions of the scalene muscles for rotation of the cervical spine in macaque and human.fckLRBuford JA, Yoder SM, Heiss DG, Chidley JV
