Relier Pairs Facial Muscle ActionsVersion en ligne facial muscles par Dr. David Myers 1 frontalis 2 temporalis 3 masseter 4 orbicularis oculi 5 occipitalis 6 orbicularis oris 7 buccinator closes eye in blinking, squinting, and sleep. elevation of the mandible, as in chewing elevates eyebrows and draws scalp forward and wrinkles skin of forehead compresses cheek against teeth and gums encircles mouth, closes lips, protrudes lips as in kissing. elevation, retraction, lateral and medial excursion of the mandible retracts scalp, fixes galea aponeurosis so frontalis can act on eyebrows