Muscles of Facial Expression Flashcards
Diewitt - I didn’t do any general location (except for Bucinnator) since it seems like it’s just much easier to look at a picture and memorize the location
Mark Blue and move on!
Orbicularis oris - Action
Compresses lips against anterior teeth, closes mouth, protrudes lips
Depressor anguli oris - Action
Depresses angle of mouth
Levator anguli oris - Action
Elevates angle of mouth
Zygomaticus major - Action
Draws angle of mouth up and back
Risorius - Action
Draws angle of mouth laterally
Levator labii superioris - Action
Elevates upper lip, flares nostril
Depressor labii inferioris - Action
Depresses lower lip
Buccinator - Origin
Pterygomandibular raphe, buccal alveolar processes of maxilla and mandible
Buccinator - Insertion
Orbicularis oris fibers
Buccinator - Action
Copresses cheeks against molar teeth; sucking and blowing
Mentalis - Action
Puckers skin of chin, protrudes lower lip
Compressor naris of Nasalis - Action
Compresses nostrils
Dilator naris of Nasalis - Action
Dilates or flares nostrils
