has muscle origin has muscle origin Homo sapiens nuchal ligament spinalis muscle spinalis cervicis muscle FMA:22770 Origin: spinous processes of seventh cervical and sometimes two upper thoracic vertebrae; insertion: spinous processes of axis and sometimes of second to fourth cervical vertebrae; innervation: branches of cervical; action: extends vertebral column. The Spinalis cervicis (Spinalis colli) is an inconstant muscle, which arises from the lower part of the ligamentum nuchæ, the spinous process of the seventh cervical, and sometimes from the spinous processes of the first and second thoracic vertebrae, and is inserted into the spinosus process of the axis, and occasionally into the spinous processes of the two vertebrae below it. [Wikipedia:Spinalis#Spinalis_cervivis] BTO:0002623 musculus spinalis cervicis UBERON:0011218 SCTID:244864004 spinal muscle of neck