Frontalis

Description

Occipitofrontalis

Name

• Frontalis
• Frontal belly of Occipitofrontalis
• Musculus frontalis

General

• Muscle of facial expression and part of the epicranial muscle group
• It does not have any bony attachments
• Part of a larger muscle group called Occipitofrontalis along with Occipitalis

Origin

• Epicranial aponeuosis

Insertion

• Skin of eyebrow, muscles of forehead

Action

• Elevates eyebrows
• Pulls scalp anteriorly
• Wrinkles skin of forehead

Vascular Supply

• Superficial temporal artery
• Supratrochlear artery
• Supraorbital artery

Innervation

• Temporal branches of facial nerve

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Clinical Significance

• Needs to be updated

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See Also

• Head Anatomy Main
• HEENT Main
• Muscle Anatomy Main

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