Quick Facts
Origin: Supreme nuchal line of occipital bone.
Insertion: Epicranial aponeurosis.
Action: Draws scalp backwards.
Innervation: Posterior auricular nerve and temporal branches of facial nerve (CN VII).
Arterial Supply: Superficial temporal, ophthalmic, posterior auricular, and occipital arteries.
Related parts of the anatomy
Origin
The occipitofrontalis muscle is composed of two muscular bellies divides by an epicranial aponeurosis. The occipital belly of the occipitofrontalis muscle arises from the supreme nuchal line of the occipital bone and may extend to the mastoid region of the temporal bone (Standring, 2016).
Insertion
The occipital belly of the occipitofrontalis muscle insert into the epicranial aponeurosis.
Actions
The occipital belly of occipitofrontalis muscle draws the scalp backwards (Standring, 2016).
References
Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41st edn.: Elsevier Limited.
