Surface Anatomy And Upper Body Musculature

Front 1

Flexors

Back 1

motions- decreases angle between 2 parts of movement

EX: bend over and touch toes

Front 2

Extensors

Back 2

motions- increases angle between 2 parts of movement

EX: Bring body to upright position

Front 3

Elevate

Back 3

superiorly movement

EX: raising shoulders to ears

Front 4

Depress

Back 4

inferiorly movement

EX: return shoulders to normal position from being at the ears

Front 5

Protract

Back 5

anteriorly

Front 6

Retract

Back 6

posteriorly

Front 7

Lateral Rotation

Back 7

outward movement/rotation

Front 8

Medial Rotation

Back 8

inward movement/rotation

Front 9

Abduction

Back 9

away from body

Front 10

Adduction

Back 10

bring it back inward

Front 11

Supination

Back 11

anatomical position, palms forward

Front 12

Pronation

Back 12

normal, palms back

Front 13

Sternocleidomastoid

Back 13

Location: sternum to mastoid and clavicle to mastoid. turn the neck and its that muscle that protrudes.

Front 14

Trapezius

Back 14

Location: triangle/square in entire back

Front 15

Rectus Abdominus

Back 15

Like the cat, (washboard)

Front 16

Linea Semilunaris

Back 16

Bordering tendons separating abdominus from obliques

Front 17

External Obliques

Back 17

Same as cat

Aids rectus abdominis in flexing vertebral column; aid muscles of back in trunk rotation and lateral flexion

Front 18

Rhomboids

Back 18

Same as cat, middle back muscles, deep

Retracts and stablizes scapula

Front 19

Teres Major

Back 19

Major strip before latissiums dorsi

Adducts humerus; synergist of latissimus dorsi

Front 20

Latissimus

Back 20

Long flap (like cat) that runs over ribs

Front 21

Infraspinatus

Back 21

Same as cat- outside of scapula and below the scapular spine

Front 22

Subscapularis

Back 22

Same as cat- inside of scapula along the wall

Front 23

Pectoralis major

Back 23

Upper part of chest

Front 24

Deltoid

Back 24

Side of arm, large shoulder muscle

Front 25

Biceps Brachii

Back 25

Major muscle on top if looking down on the arm

Front 26

Triceps Brachii

Back 26

Bottom Muscle

Front 27

Brachioradialis

Back 27

outside of elbow. Inside of wrist.

Supinates the hand

Front 28

Pronator Teres

Back 28

Little muscle that curves under the brachioradialis

Pronates hand

Front 29

Triangle of ausculatation

Back 29

Thinnest layer of muscle. Triangle area below traps.

Front 30

Antecubital Fossa

Back 30

Fossa on inside of elbow.