Head and Neck Muscles

Head and Neck MusclesFigure 6.15

Copyright 2009 Pearson Education, Inc., publishing as Benjamin CummingsHead and Neck MusclesFacial musclesFrontalisraises eyebrowsOrbicularis oculicloses eyes, squints, blinks, winksOrbicularis oriscloses mouth and protrudes the lipsBuccinatorflattens the cheek, chewsZygomaticusraises corners of the mouthChewing musclesMassetercloses the jaw and elevates mandibleTemporalissynergist of the masseter, closes jaw

Copyright 2009 Pearson Education, Inc., publishing as Benjamin CummingsHead and Neck MusclesNeck musclesPlatysmapulls the corners of the mouth inferiorlySternocleidomastoidflexes the neck, rotates the head

Copyright 2009 Pearson Education, Inc., publishing as Benjamin CummingsHead and Neck MusclesFigure 6.15

Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings