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The Occipitofrontalis is a muscle of scalp. It is also a muscle of facial expression.
The muscles of the scalp are:
- Occipitofrontalis
- Temporoparietalis
- Auricularis Group
The Occipitofrontalis is actually two separate muscles: Occipitalis and Frontalis. They are connected to each other by the Galea Aponeurotica.
ATTACHMENTS:
- Occipital and temporal bones to the Galea aponeurotica to the fascia/skin of the forehead.
ACTIONS:
- Draws posteriorly the scalp.
- Elevates the eyebrow.
NOTES:
- The occipitofrontalis and temporoparietalis together are known as the epicranius.
- Contraction of the occipitofrontalis creates the fascia expression of surprise, shock, or horror.
- The occipitofrontalis is often involved in tension headaches.
