Semispinalis capitis
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| Semispinalis capitis | ||
|---|---|---|
 | ||
| Section of the neck at about the level of the sixth cervical vertebra. Showing the arrangement of the fascia coli. (Semispinalis capitis visible at bottom right.) | ||
| Deep muscles of the back. Semispinalis muscles labeled. Semispinalis capitis is the upper of the labeled ones. | ||
| Latin | musculus semispinalis capitis | |
| Gray's | subject #115 400 | |
| Origin: | Transversal process of lower cervical and higher thoracal columna | |
| Insertion: | Area between superior and inferior nuchal line | |
| Artery: | ||
| Nerve: | Greater occipital nerve | |
| Action: | Extend the head | |
| Dorlands/Elsevier | m_22/12550702 | |
The Semispinalis capitis (Complexus) is situated at the upper and back part of the neck, beneath the Splenius, and medial to the Longissimus cervicis and capitis.
It arises by a series of tendons from the tips of the transverse processes of the upper six or seven thoracic and the seventh cervical vertebræ, and from the articular processes of the three cervical above this.
The tendons, uniting, form a broad muscle, which passes upward, and is inserted between the superior and inferior nuchal lines of the occipital bone.
The medial part, usually more or less distinct from the remainder of the muscle, is frequently termed the Spinalis capitis; it is also named the Biventer cervicis since it is traversed by an imperfect tendinous inscription.
Additional images
 Occipital bone. Outer surface. |
 Base of skull. Inferior surface. |
External links
- SUNY Figs 01:06-01
- SUNY Figs 24:01-01
- Duke Orthopedics semispinalis_capitis_1
- Norman/Georgetown lesson6musclesofback
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 As such, some of the information contained herein may be outdated.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.
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Acknowledgement and Attribution Regarding Sources of Content
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 .
