Name

# Occipitofrontalis

Pronunciation

(ok-sip-it-o-fron-ta-lis)

Origin/Proximal Attachment

- Occipital Belly - occipital bone and mastoid part of temporal bone
- FrontalBelly - Fibres continous with those of procerus medially and orbicularis oculi laterally

Insertion/Distal Attachment

Into the galea aponeuritica

Action/Relevance

Draws scalp back; raises eyebrow and wrinkles forehead in expression of surprise

Innervation

- Occipital Belly - Posterior auricular branch of the facial nerve
- FrontalBelly - Temporal branch of the facial nerve

Notes

the frontalis and occipitalis muscles are two bellies of the epicranius muscle; also known as: occipitofrontalis