semispinalis cervicis muscle

sem·i·spi·nal·is cer·vi·cis mus·cle

(sem'ē-spī-nā'lis ser-vī'sis mŭs'ĕl)
Continuous with musculus semispinalis thoracis; origin, transverse processes of second to fifth thoracic vertebrae; insertion, spinous processes of axis and third to fifth cervical vertebrae; action,extends cervical spine; nerve supply, dorsalprimary rami of cervical and thoracic spinal nerves.
Synonym(s): musculus semispinalis cervicis [TA] .