* Muscles of the Head and Neck

Latin	English
Frontalis	Draws back scalp, wrinkles forehead, raises eyebrows
Orbicularis oculi	Closes eyelids; used in blinking, winking, and squinting
Orbicularis oris	Closes and protrudes lips; used in whistling and forming many letters during speech; the "kissing muscle"
Risorius	Draws angles of the mouth laterally; draws lips into the grinning expression
Sternocleidomastoid	Contraction of one side: laterally flexes neck, rotates head to opposite side; Contraction of both sides together: flexes neck
Temporalis	Elevates and retracts mandible; assists in side to side movement of mandible
Zygomaticus major	Draws angles of the mouth upward and outward; major muscle used in smiling and laughing
Buccinator	Draws angles of the mouth laterally; compresses cheek; used to create sucking action
Masseter	Elevates mandible when chewing and slightly protracts it
Risorius	Draws angles of the mouth laterally; draws lips into the grinning expression
Occipitalis	Draws back scalp, wrinkles forehead
Digastricus	elevates hyoid and depress mandible
Thyrohyoid	depresses hyoid and elevates larynx
Omohyoid	depresses hyoid
Depressor labii inferioris	muscle surrounding the lower lip and draws it to one side, also known as the quadratus labii inferioris
Levator labii superioris	descends from infraorbital margin to the upper lip, raises upper lip
Sternohyoid	depresses hyoid bone after it has been elevated during swallowing