part of part of has muscle origin has muscle origin has muscle insertion has muscle insertion nuchal ligament splenius capitis http://upload.wikimedia.org/wikipedia/commons/5/51/Splenius.png SCTID:244850004 A muscle that arises from the lower half of the ligamentum nuchæ, from the spinous process of the seventh cervical vertebra, and from the spinous processes of the upper three or four thoracic vertebræ and inserts the mastoid process of the temporal bone, and into the rough surface on the occipital bone just below the lateral third of the superior nuchal line[WP,modified]. splenius capitis muscle FMA:22653 Wikipedia:Splenius_capitis_muscle UBERON:0000711 Extend, rotate, and laterally flex the head musculus splenius capitis splenius muscle of neck mastoid process of temporal bone dorsal part of neck