Splenius is often divided into two muscles, splenius capitus (those fibres which insert on the skull) and splenius cervicis (those that insert onto the cervical transverse processes of the spine).


  • Lower half of the ligamentum nuchae
  • Spinous processes of C7-T5


  • Transverse processes of C3-7
  • Base of the skull


  • Extension of the head and neck
  • Contraction of one side laterally flexes and rotates the neck to the same side


  • Posterior rami of the lower cervical spinal nerves
  • Lateral branches of the posterior rami of the middle and lower cervical spinal nerves

Daily uses

  • Looking up at the ceiling
  • Looking over your shoulder

How can I stretch it?

Neck and Back Muscles:

More Human Muscles: