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Facial Expression

Muscles of Facial Expression

MuscleOriginInsertionFunction
Orbicularis oris Muscles near the mouth Skin of central lip Closes lips/protrudes lips (kissing)
Buccinator Outer surfaces of maxilla and mandible Orbicularis oris Compresses cheeks (blowing air)
Zygomaticus major and minor Zygomatic bone Corner of mouth Raises corner of mouth (smiling)
Platysma Fascia in upper chest Lower border of mandible Draws angle of mouth downward (pouting)
Epicranius Occipital bone Skin and muscles around eye Raises eyebrow (surprised)
Orbicularis oculi Maxillary and frontal bones Skin around eye Closes eye (blinking)
Created by: ntran