Ch.4 Muscles That Attach The Arms To The Body

Front 1

a broad, flat muscle covering the back of the neck and upper and middle region of the back, controlling the shoulder blade and the swinging movements of the arm.

Back 1

LATISSIMUS DORSI

Front 2

muscles of the chest,assist in swinging movements of the arm.

Back 2

PECTORALIS MAJOR

Front 3

muscle of the chest that assist in breathing and in raising the arm.

Back 3

SERRATUS ANTERIOR

Front 4

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

Back 4

TRAPEZIUS

Front 5

muscle producing the contour of the front inner side of the upper arm;lifts the forearm,flex the elbow,and turn the palms outward.

Back 5

BICEPS

Front 6

Large, triangular muscle covering the shoulder joint that allows the arm to extend outward and to the side of the body.

Back 6

DELTOID

Front 7

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

Back 7

TRICEPS

Front 8

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

Back 8

EXTENSORS

Front 9

extensor muscles of the wrist, involved in bending the wrist

Back 9

FLEXORS

Front 10

muscles that turn the hand inward so the palm faces downward

Back 10

PRONATORS

Front 11

muscle that rotates the radius outward and the palm upward

Back 11

SUPINATOR