Facial Expression Muscles Flashcards
Occipitofrontalis
Elevates the eyebrow
Nasalis
Compressing and flaring the nostril
Procerus
depress medial eyebrow (frown nose wrinkle)
Buccinator
Compresses the cheeks
Depressor Anguli Oris
depress angle of the mouth
Depressor Labii inferioris
pulls down lower lip
Levator Anguli Oris
elevate the angles of the lips
Levator Labii Superioris
elevate and evert the upper lip
Mentalis
depress and evert the base of the lower lip (in the chin)
Obicularis Oris
this muscle brings the lips together to close the mouth
Risorius
“the smiling muscle” pulls angles of the mouth laterally and superiorly
Zygomaticus Major
elevating and everting the angle of the mouth superolaterally
Zygomaticus Minor
elevate and evert upper lip
Orbicularis Oculi
closing the eyes
Platysma
assists in depressing the mandible and opening mouth (neck muscles)
Elevates the eyebrow
Occipitofrontalis
Compressing and flaring the nostril
Nasalis
depress medial eyebrow (frown nose wrinkle)
Procerus
Compresses the cheeks
Buccinator
depress angle of the mouth
Depressor Anguli Oris
pulls down lower lip
Depressor Labii inferioris
elevate the angles of the lips
Levator Anguli Oris
elevate and evert the upper lip
Levator Labii Superioris
depress and evert the base of the lower lip (in the chin)
Mentalis
