Splenius capitis muscle
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| Splenius capitis muscle | ||
|---|---|---|
| Muscles connecting the upper extremity to the vertebral column. (Splenius capitis et cervicis labeled at upper right.) | ||
 | ||
| Section of the neck at about the level of the sixth cervical vertebra. Showing the arrangement of the fascia coli. (Splenius capitis labeled at bottom right.) | ||
| Latin | musculus splenius capitis | |
| Gray's | subject #115 397 | |
| Origin: | Ligamentum nuchae, spinous process of C7-T6 | |
| Insertion: | Mastoid process of temporal and occipital bone | |
| Artery: | ||
| Nerve: | C3, C4 | |
| Action: | Extend, rotate, and laterally flex the head | |
| Dorlands/Elsevier | m_22/12550912 | |
The splenius capitis arises from the lower half of the ligamentum nuchæ, from the spinousial process of the seventh cervical vertebra, and from the spinous processes of the upper three or four thoracic vertebræ.
The name derives from the Greek word "spléníon," which means plaster or patch.
The fibers of the muscle are directed upward and lateralward and are inserted, under cover of the Sternocleidomastoideus, into the mastoid process of the temporal bone, and into the rough surface on the occipital bone just below the lateral third of the superior nuchal line.
Additional images
 Occipital bone. Outer surface. |
 Left temporal bone. Outer surface. |
 Muscles of the neck. Lateral view. |
External links
- LUC spca
- SUNY Figs 01:03-01 - "Superficial layer of the extrinsic muscles of the back."
- SUNY Figs 01:05-01 - "Intermediate layer of the extrinsic muscles of the back, deep muscles."
- SUNY Figs 24:01-02 - "Identification of the muscles associated with the posterolateral triangle."
- Splenius+capitis at eMedicine Dictionary
- PTCentral
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 As such, some of the information contained herein may be outdated.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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