interspinales cervicis (muscles)

interspinales cervicis (muscles)

[TA] continuation of deep back muscle into neck; origin, tubercle of spinous process of cervical vertebra; insertion, tubercle of spinous process of next superior vertebra; action, extends the neck; nerve supply, dorsal rami of cervical nerves. Synonym(s): cervical interspinal muscle, cervical interspinales muscles, musculus interspinalis cervicis/colli