The obliquus capitis superior is a suboccipital muscle of the neck. It is located laterally within the suboccipital compartment. Attachments: Originates from the transverse process of C1 and attaches onto the occipital bone (between the superior and inferior nuchal lines). Actions: Extension of the head. Innervation: Suboccipital nerve (posterior ramus of C1) Blood supply: Vertebral artery and the deep descending branch 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