Splenius Cervicis

Written by Sharanya Bhaskaran

Last updated January 7, 2023 • 3 Revisions

The splenius cervicis is a deep muscle of the back. It is part of the spinotransversales muscle group and is located on the posterior aspect of the neck, covering the deep neck muscles.

  • Attachments: Originates from the spinous processes of T3 – T6 vertebrae. The fibres attach to the transverse processes of C1-3/4.
  • Actions: Rotate head to the same side.
  • Innervation: Posterior rami of the lower cervical spinal nerves
  • Blood Supply: Transverse cervical artery and descending branch of occipital artery.

Fig 1
The splenius muscles, located with the superficial layer of intrinsic back muscles.

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