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semispinalis |
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semispinalis [‚sem·i‚spī′nal·əs] (anatomy) One of the deep longitudinal muscles of the back, attached to the vertebrae. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| 1) Support of the cervical segments is provided by the muscular sleeve formed by the longus colli muscle anteriorly and the semispinalis cervicis and cervical multifidus muscles posteriorly. Dissection of the cervical spine has shown that the semispinalis cervicus and capitis muscles appear to be primarily responsible for neck extension. Extension and rotation--Sternocleidomastoideus, Rectus Capitus Posterior, Semispinalis Capitus, and Splenius Capitus. |
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