innervated by innervated_by iliocostalis muscle dorsal ramus of spinal nerve iliocostalis cervicis muscle SCTID:244851000 iliocostalis cervicis The iliocostalis cervicis (cervicalis ascendens) arises from the angles of the third, fourth, fifth, and sixth ribs, and is inserted into the posterior tubercles of the transverse processes of the fourth, fifth, and sixth cervical vertebrae.. cervicalis ascendens cervicalis ascendens muscle UBERON:0008546 FMA:22704 Wikipedia:Iliocostalis#Iliocostalis_cervicis