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Facial Expression

Muscles

QuestionAnswer
pterygoids o: pterygoid plates of sphenoid bone i: medial surface of mandibular ramus a: elevate/protract/translates mandible
suprahyoid o: hyoid bone i: mandible, tounge, floor of brain case a: elevate hyoid, depress mandible, extend tongue
infrahyoid o: sternum, clavicle, larynx i: hyoid a: depress hyoid, retract tongue
corruptor supercilii wrinkles brow
nasalis wrinkles bridge of nose
orbicularis oculi closes eye
orbicularis oris closes/protrudes lips
buccinator compresses cheeks
levator labii superioris elevates upper lip
depressor labii inferioris depresses lower lip
zygomaticus elevates corner of mouth
depressor anguli oris depresses corner of mouth
platysma compresses neck, depresses mandible
Created by: abbiemech