Interspinales colli muscles
Musculi interspinales colli
- Latin synonym: Musculi interspinales cervicis
- Synonym: Interspinales cervicis muscles
- Related terms: Interspinales cervicis
Definition
Origin: Spinous process
Insertion: Spinous process
Nerve: Posterior rami of spinal nerves
Action: Extension, flexion and rotation of vertebral column.
Description:
In the cervical region, interspinales muscles are most distinct, and consist of six pairs, the first being situated between the axis and third vertebra, and the last between the seventh cervical and the first thoracic. They are small narrow bundles, attached, above and below, to the apices of the spinous processes.
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).