Muscles (Esthetics)

Description:	Functions of basic muscles important in Esthetics
Category:	Physiology
Created by:	sharilyn1 on 2008-03-07

Question	Answer
Occipitalis	Back of the epicranius; muscle that draws the scalp backward.
Frontalis	Anterior (front) portion of the epicranius; muscle of the scalp that raises the eyebrows, draws the scalp forward, and causes wrinkles across the forehead.
Aponeurosis	Tendon that connects the occipitalis and the frontalis.
Auricularis superior	Muscle above the ear that draws the ear upward.
Auricularis anterior	Muscle in fron of the ear that draws the ear forward.
Auricularis posterior	Muscle behind the ear that draws the ear backward.
Temporalis	Muscle of mastication located above the auricularis superior.
Platysma	Broad muscle extending from the chest and shoulder muscles to the side of the chin; responsible for lowering the lower jaw and lip.
Sternocleidomastoideus	Muscle of the neck that lowers and rotates the head.
Corrugator	Muscle located beneath the frontalis and orbicularis oculi that draws the eyebrow down and wrinkles the forehead vertically.
Orbicularis Oculi	Ring muscle of the eye socket; closes the eyes.
Procerus	Covers the bridge of the nose, lowers the eyebrows and causes wrinkles across the bridge of the nose.
Buccinator	Thin, flat muscle of the cheek between the upper and lower jaw that compresses the cheeks and expels air between the lips.
Depressor labii inferioris	(aka quadratus labii inferioris) A muscle surrounding the lower lip that depresses the lower lip and draws it to one side.
Levetor anguli oris	(aka caninus) A muscle that raises the angle of the mouth and draws it inward.
Levator labii superioris	(aka quadratus labii superioris) A muscle surrounding the upper lip that elevates the upper lip and dilates the nostrils, as in expressing distaste.
Mentalis	A muscle that elevates the lower lip and raises and wrinkles the skin of the chin.
Biceps	Muscle producing the contour of the front and inner side of the upper arm; they lift the forearm, flex the elbows, and turn the palms outward.
Deltoid	Large, triangular muscle covering the shoulder joint that allows the arm to extend outward and to the side of the body.
Triceps	Large muscle that covers the entire back of the upper arm and extends the forearm.
Extensors	Muscles that straighten the wrist, hand, and fingers to form a straight line.
Flexors	Extensor muscles of the wrist, involved in bending the wrist.
Pronator	Muscles that turn the hand inward so that the palm faces downward.
Supinator	Muscle that rotates the radius outward and the palm upward.
Masseter	A thick, somewhat quadrilateral muscle, consisting of two portions, superficial and deep. One of the muscles of mastication.
Orbicularis oris	Flat band around the upper and lower lips that compresses, contracts, puckers, and wrinkles the lips.
Risorius	Muscle that draws the corner of the mouth out and back, as in grinning.
Tringularis	A muscle extending alongside the chin that pulls down the corner of the mouth.
Zygomaticus major and minor	Muscles extending from the zygomatic bone to the angle of the mouth that elevate the lip, as in laughing.
Latissimus dorsi	Broad, flat muscle covering the back of the neck and upper and middle region of the back, controlling the shoulder blale and the swinging movements of the arm.
Serratus anterior	Muscle of the chest that assists in breathing and in raising the arm.
Trapezius	Muscle that covers the back of the neck and upper and middle region of the back; rotates and controls swinging movements of the arm.
Pectoralis major	Muscles of the chest that assist the swinging movements of the arm.