Spinalis Capitis

Original Editor Oyemi Sillo

Lead Editors -  


Description[edit | edit source]

Spinalis Capitis belongs to the medial column of the Sacrospinalis group of muscles.[1]

Origin[edit | edit source]

Side of spinous process of C7. [2][3]

Insertion[edit | edit source]

Near the midline between superior and inferior nuchal lines of occipital bone.[2] [3] 

Nerve Supply[edit | edit source]

Dorsal rami of cervical spinal nerves (C1 to C3).  

Blood Supply[edit | edit source]

The muscle receives a blood supply from muscular branches of the vertebral artery via the subclavian and also from muscular branches of the occipital artery via the external carotid artery.[2] 

Action[edit | edit source]

Extension of the vertebral column and head.[3] 

Function[edit | edit source]

References[edit | edit source]

  1. Gray, Henry. Anatomy of the Human Body. Philadelphia: Lea & Febiger, 1918; Bartleby.com, 2000. www.bartleby.com/107/.
  2. 2.0 2.1 2.2 http://www.anatomyexpert.com/structure_detail/5206/436/
  3. 3.0 3.1 3.2 ptcentral.com/muscles/muscletrunk.html