Facial Muscles Flashcards
Orbicularis occuli
Orbital part - surrounds eyelids, buries eyes
Palpebral part - within eyelids, closes eyes
Compressor naris
Compress nasal cartilages
Dilator naris
Dilates nostrils
Procerus
Wrinkles skin of nose
Orbicularis Oris
Surrounds lips, closes mouth
Levator Labii Superioris
Lifts upper lip
Zygomaticus major and minor
Raise and pull upper lip laterally
Levator anguli oris
Raises corner of mouth
Clinical - drooping of corner of mouth in Bell’s Palsy
Risorius
Smiling muscle
Depressor anguli oris
Tragedy muscle
Depressor Labii Inferioris
Depresses lower lip
Mentalis
Wrinkles kin of chin
Buccinator
Compresses mouth and keeps food between teeth when chewing
Clinical - patient’s with Bell’s palsy have difficulty eating food
Frontalis and Occipitalis
Move scalp (attach to epicranial aponeurosis)
Frontalis raises eyebrows
Clinical - drooping of eye brow in Bell’s Palsy
Platysma
Stretches skin of neck