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Muscles (Esthetics)

Functions of basic muscles important in Esthetics

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.
Created by: sharilyn1



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