Spinalis Capitis
Original Editor Oyemi Sillo
Lead Editors - Oyemi Sillo and Kim Jackson
Contents
Description
Spinalis Capitis belongs to the medial column of the Sacrospinalis group of muscles.[1]
Origin
Side of spinous process of C7. [2][3]
Insertion
Near the midline between superior and inferior nuchal lines of occipital bone.[2] [3]
Nerve Supply
Dorsal rami of cervical spinal nerves (C1 to C3).
Blood Supply
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
Extension of the vertebral column and head.[3]
