Posterior Scalene
Original Editor - Your name will be added here if you created the original content for this page.
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]
Extension:RSS -- Error: Not a valid URL: Feed goes here!!|charset=UTF-8|short|max=10
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.fckLRActions of the scalene muscles for rotation of the cervical spine in macaque and human.fckLRBuford JA, Yoder SM, Heiss DG, Chidley JV