Obliquus Capitis Inferior

Region: Back Muscles · All back muscles

Obliquus Capitis Inferior at a glance

OriginSpinous process of the axis (C2)
InsertionTransverse process of the atlas (C1)
ActionsTurns the face to the same side (rotates the atlas on the axis)
Nerve supplySuboccipital nerve (dorsal ramus of C1)

◆ Good to know

It is the only suboccipital muscle that does not attach to the skull, and the main rotator at the atlanto-axial joint.

Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.