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