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Serratus posterior superior muscle
| Serratus posterior superior muscle | ||
|---|---|---|
| Latin | musculus serratus posterior superior | |
| Gray's | subject #117 404 | |
| Origin: | nuchal ligament (or ligamentum nuchae) and the spinous processes of the vertebrae C7 through T3 | |
| Insertion: | the upper borders of the 2nd through 5th ribs | |
| Artery: | intercostal arteries | |
| Nerve: | 2nd through 5th intercostal nerves | |
| Action: | elevate the ribs which aids in inspiration | |
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Overview
The Serratus posterior superior is a thin, quadrilateral muscle, situated at the upper and back part of the thorax.
It arises by a thin and broad aponeurosis from the lower part of the ligamentum nuchae, from the spinous processes of the seventh cervical and upper two or three thoracic vertebræ and from the supraspinal ligament.
Inclining downward and lateralward it becomes muscular, and is inserted, by four fleshy digitations, into the upper borders of the second, third, fourth, and fifth ribs, a little beyond their angles.
References
- Clinically Oriented Anatomy, 4th ed. Keith L. Moore and Arthur F. Dalley.
- Board Review Series: Gross Anatomy, 4th ed. Kyung Won Chung.
See also
External links
- LUC sps
- Serratus+posterior+superior at eMedicine Dictionary
- SUNY Figs 01:05-02 - "Intermediate layer of the extrinsic muscles of the back, deep muscles."
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 As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.de:Musculus serratus posterior superior
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Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
