The splenius cervicis is one of the two spinotransversales muscles. These two muscles attach from the spinous processes to the liamentum nuchae, and are compromised of the splenius capitis and the splenius cervicis muscles.
- Spinous processes of TIII to TVI
- Transverse processes of C1-3
- Together: Extend neck
- Individually: Rotate head to same side
- Posterior rami middle cervical nerves
- Muscular branches of occipital artery