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.