MUSCLES OF FACIAL EXPRESSIONS Flashcards
closes and squints the eye (wink, concern, perplexion)
Orbicularis Oculi
elevates the upper eyelid (surprise, fear)
Levator Palpebrae Superioris
draws the eyebrow inferomedially (anger, concern)
Corrugator Supercilii
maxilla to the cartilage of the nose and the opposite side nasalis muscle, compresses the nares
Nasalis
fascia and skin medial to the eyebrow to the fascia and skin over the nasal bone (disdain look)
Procerus
from medial fiber of dilator naris muscle to mobile part of nasal septum, depresses septum and narrows nostril
Depressor Septi Nasi
Infraorbital head & zygomatic head to upper lip. Raises upper lip; helps form naso-labial furrow. (Disgust,
smugness)
Levator labii superioris
Frontal nasal process to one to ala & other to orbicularis oris. Raises upper lip and opens nostril. (anger, contempt)
Levator labiisuperioris alaeque nasi
Maxilla below infraorbital foramen & canine fossa to the angle of mouth. Elevate the angle of the mouth. (smile, sneer, “Dracula” expression)
Levator anguli oris
From zygomatic bone & arch to angle of mouth. Draws the corner of the mouth upward and laterally. (Smile, laugh)
Zygomaticus major
From zygomatic bone & medial to zygomatic major to nasolabial groove. Draws the upper lip upward. (Smile &
Smugness)
Zygomaticus minor
From superficial fascia over parotid
to skin & mucosa on the angle of lip. Retracts
the corner of the mouth. (Grin, smile, laugh)
Risorius
From oblique line of mandible to angle of mouth.
Draws comer of mouth down and laterally
Depressor anguli oris / triangularis
From base of mandible to skin n mucosa of lower lip. Draws
lower lip downward and laterally. (Sadness, uncertainty, dislike)
Depressor labii inferioris
From mandible below lower incisors
to skin of chin. Raises and protrudes lower lip
as it wrinkles skin on chin. (doubt, pout, disdain)
Mentalis
From buccinator muscle to angle of mouth (upper lip) and mandible (lower lip). Closes lips; protrudes lips. (puckering, whistling)
Orbicularis Oris
From alveolar process f max. and mand. In region of molars & pterygomandibular ligament. Presses the cheek against teeth; Compresses distended cheeks. (pucker, exertion, sigh)
Buccinator
From skin and superficial fascia of pectoral and deltoid region to lower border of mandible. Draws up the skin of the superior chest and neck. (Creature from Black Lagoon”
expression)
Platysma
