Descrição

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.


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/).

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