Interspinales thoracis muscles
Musculi interspinales thoracis
- Related terms: Interspinales thoracis
Definition
Origin: Spinous process
Insertion: Spinous process
Nerve: Posterior rami of spinal nerves
Action: Extension, flexion and rotation of vertebral column.
Description:
In the thoracic region, interspinales muscles are found between the first and second vertebrae, and sometimes between the second and third, and between the eleventh and twelfth.
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/).
