Muscles That Attached To The Arms To The Body

Front 1

Latissimus dorsi

Back 1

Large, flat, triangular muscle covering the lower back. It helps extend the arm away from the body and rotate the shoulder.

Front 2

Pectoralis major and pectoralis minor

Back 2

Located under the pectoralis major. Muscles of the chest that assist the swinging movements of the arm.

Front 3

Serratus anterior

Back 3

Muscles of the chest that assist in breathing and in raising the arms.

Front 4

Trapezius

Back 4

Muscle that covers The back of the neck and the upper and middle region of the back. Rotates and controls swinging movements of the arm.

Front 5

Bicep

Back 5

Muscles that produces the contour of the front and the inner side of the upper arm; Lifts the fore arm and flexes the elbow.

Front 6

Deltoid

Back 6

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

Front 7

Tricep

Back 7

Large muscle that covers the entire bag of the upper arm and extent of the forearm.

Front 8

Extensors

Back 8

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

Front 9

Flexors

Back 9

Extensor muscle of the wrist involved in flexing the rest.

Front 10

Pronator

Back 10

Muscle that turns the hand in word so that the palm face is downward.

Front 11

Supinator

Back 11

Muscles of the form that rotates the radius outward and the palm upward.