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
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