Anatomy part2

The masseter and the temporalis muscle coordinate the opening and closing of the mouth and is sometimes called the__

Chewing muscles

Orbicularis oris

Flat band around the upper and lower lips that compresses contracts puckers and wrinkles the lips

Triceps

Large muscle that covers the entire back of the upper arm and extends the forearm

The muscle that forms the ring of the eye socket, closing the eye is the __

Orbicularis oculi

Depressor labii inferioris

a muscle surrounding the lower lip;lowers the lower lip and draws it to the side

levator anguli oris

a muscle the raises the angle of the mouth and draws it inward.

What are the three principal muscles of the shoulder and upper arms

bicep, deltoid, tricep

The muscle located beneath the frontalis that draws the eyebrow down is__

corrugator

The muscles of the feet are

extensor digitorum brevis abductor haliuois flexor digitorum brevis adbuctor

Flexors

extensor muscles of the wrist;involved in bending the wrist

Buccinator

flat muscle of the cheek between the upper and lower jaw that compresses the cheeks and expel

Which muscles should the cosmetologist be concerned with

involuntary muscles that controls the arms feet and legs

Deltoid

large triangular muscle covering the shoulder joint

The broad flat superficial muscle covering the back of the neck and upper and middle region of the back is the __

latissimus dorsi

list 2 functions of the striated muscles

maintaining the body's posture and protect some internal organs

Triangularis

muscle extending alongside the chin that pulls down the corner of the mouth

Risorius

muscle of the mouth that draws the corner of the mouth back

Mentalis

muscle that elevates the lower lip and raises and wrinkles the skin of the chin

Zygomaticus

muscles extending from the zygomactic bone to the angle of the mouth, elevate the lip

Supinator

muscles of the forearm that rotates the radius outward and the palm upward

Extensors

muscles that straightens the wrist, hand, and fingers to form a straight line

pronators

muscles that turn the hand inward so that the palm faces downward.

The study of the structure,function, and disease of the muscles is__. The human body had over __ muscles , which are responsible for approximately__of the body's weight.

myology 600 40%

What are 3 parts of the muscle

orgin- does not move insertion-the part of the muscle that is more movable belly-the middle part of the muscle

The muscle of the chest that assist the swinging movements of the arm are the__

pectoralis major

The muscle the covers the bridge of the nose, lowers the eyebrows and causes wrinkles across the bridge of the nose is the__

procerus

The muscle of the chest that assists in breathing and in raising the arm is the __

serratus anterior

Define the muscular system

the body system that covers, shapes, and support the skeleton tissue

Biceps

the muscle producing the contour of the front and inner side of the upper arm

The muscle that covers the back of the neck and upper middle region of the back and rotates and controls the swinging movements of the arm is__

trapezius