semispinalis capitis muscle

sem·i·spi·nal·is cap·i·tis mus·cle

(sem'ē-spī-nā'lis kap'i-tis mŭs'ĕl)
Origin, transverse processes of five or six upper thoracic and articular processes of four lower cervical vertebrae; insertion, occipital bone between superior and inferior nuchal lines; action, rotates head and draws it backward; nerve supply, dorsal primary rami of cervical spinal nerves.
Synonym(s): musculus semispinalis capitis [TA] .
References in periodicals archive ?
5 cm in diameter for semispinalis capitis muscle were selected rapidly on the monitor (Figure 2).
Photographs of the loin cuts including longissimus thoracis, trapezius, semispinalis dorsi and semispinalis capitis muscles were taken with a scale using a digital camera (C-3100, Olympus Co.
In the overall trace method, the surrounding edges of the longissimus thoracis, trapezius, semispinalis dorsi and semispinalis capitis muscles were automatically traced by auto trace operation in the image analysis software (Figure 1).
Depending on the location of the migraine, surgery could involve removal of the corrugator muscle group, avulsion of a trigeminal nerve branch, septoplasty/turbinectomy, or removal of a segment of the semispinalis capitis muscle.