Splenius Cervicis - Podcast Version 0:00 / 0:00 1x 0.25x 0.5x 0.75x 1x 1.25x 1.5x 1.75x 2x 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. By TeachMeSeries Ltd (2026) Fig 1The splenius muscles, located with the superficial layer of intrinsic back muscles. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Frequent questions What is the splenius cervicis? The splenius cervicis is a deep muscle located in the back, part of the spinotransversales muscle group. It plays a crucial role in the movement of the neck. Where does the splenius cervicis originate and insert? The muscle originates from the spinous processes of the T3 to T6 vertebrae and inserts onto the transverse processes of the C1 to C3 or C4 vertebrae. What actions does the splenius cervicis facilitate? The splenius cervicis primarily rotates the head to the same side, contributing to neck movement and stability. Which nerves innervate the splenius cervicis? The splenius cervicis is innervated by the posterior rami of the lower cervical spinal nerves, allowing for precise control of neck movements. What is the blood supply to the splenius cervicis? The splenius cervicis receives its blood supply from the transverse cervical artery and the descending branch of the occipital artery, ensuring adequate oxygenation for muscle function. Rate This Article