Splenius capitis - Musculus splenius capitis

Anatomical hierarchy

General terms > Myology > Muscles of the neck > Splenius capitis



In some species, the splenius capitis is the cranial continuation of the splenius cervicis (absent in Car) as fibers that run craniolaterally to insert on squama occipitalis.

Origin: From the end of the first and sometimes second thoracic spine and from the ligamentum nuchae in front of the first thoracic spine. Also form the medial dorsal raphe of the neck as far cranial as the first cervical vertebra. Final origin is by an aponeurosis from the cranial border of the thoracolumbar fascia.

Insertion: Dorsal nuchal lines of the occipital bone and mastoid part of the temporal bone.

Action: Extends and raises the neck. In unilateral action to draw the head and neck laterally. Fixation of the first thoracic vertebra.

Nerve: Cervicales.

Text by Antoine Micheau, MD - Copyright IMAIOS


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