Obliquus Capitis Inferior – A Misnamed Muscle

The emphasis of this article is on the importance of the naming of muscles, highlighted by the fact that the obliquus capitis inferior (OCI) is misnamed. However, the OCI is an important muscle in its own right. Given the prevalence of locked-short musculature in the posterior neck, especially in the supoccipital (upper neck) region, the OCI is extremely important clinically.

Superficial anterior view of the muscles of the neck

Musculature of the Cervical Spine

To perform orthopedic manual therapy to the neck that is accurate and specific, we need to know the attachments and actions of the muscles of the neck.