| Scalenus posterior | |
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| The anterior vertebral muscles. (Scalenus posterior visible at bottom right.) | |
| Latin | musculus scalenus posterior |
| Gray's | subject #114 396 |
| Origin | transverse processes of C4 - C6 |
| Insertion | 2nd rib |
| Artery | Ascending cervical branch of the inferior thyroid artery, and the superficial cervical artery. |
| Nerve | C6 - C8 |
| Actions | Elevate 2nd rib, tilt the neck to the same side |
The Scalenus posterior (Scalenus posticus), the smallest and most deeply seated of the three Scaleni, arises, by two or three separate tendons, from the posterior tubercles of the transverse processes of the lower two or three cervical vertebræ, and is inserted by a thin tendon into the outer surface of the second rib, behind the attachment of the Serratus anterior.
It is occasionally blended with the Scalenus medius.
See also
Additional images
 Peculiar ribs. |
External links
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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated.
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