The rectus capitis posterior minor is a suboccipital muscle of the neck. It is the smallest of the rectus capitis muscles and is located medially to the rectus capitis posterior major. Attachments: Originates from the posterior tubercle (a rudimentary spinous process) of the C1 vertebra. Attaches to the medial part of the inferior nuchal line of the occipital bone. Actions: Extension of the head. Innervation:Â Suboccipital nerve (posterior ramus of C1). Blood Supply: Vertebral artery and deep descending branches of the occipital artery By TeachMeSeries Ltd (2025) Fig 1The left occipital muscles, which lie underneath the deep muscles of the back. 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 Print Article Rate This Article