MSK- UE Actions and Innervations

Question 1

pec major innervation

Answer 1

lateral pectoral

Question 2

pec minor innervation

Answer 2

medial pectoral

Question 3

serratus anterior innervation

Answer 3

long thoracic

Question 4

trapezius innervation

Answer 4

spinal accessory

Question 5

rhomboid major and minor innervation

Answer 5

dorsal scapular

Question 6

levator scapulae innervation

Answer 6

ventral rami C3-4

Question 7

SCM innervation

Answer 7

spinal accessory

Question 8

latissimus dorsi innervation

Answer 8

thoracodorsal

Question 9

deltoid innervation

Answer 9

axillary

Question 10

teres major innervation

Answer 10

lower subscapular

Question 11

coracobrachialis innervation

Answer 11

musculocutaneous

Question 12

subscapularis innervation

Answer 12

upper and lower subscap

Question 13

supraspinatus innervation

Answer 13

suprascapular

Question 14

infraspinatus innervation

Answer 14

suprascapular

Question 15

teres minor innervation

Answer 15

axillary

Question 16

biceps innervation

Answer 16

musculocutaneous

Question 17

brachialis innervation

Answer 17

musculocutaneous

Question 18

triceps innervation

Answer 18

radial

Question 19

brachioradialis innervation

Answer 19

radial

Question 20

anconeus innervation

Answer 20

radial

Question 21

ECRL/ECRB innervation

Answer 21

radial

Question 22

extensor digitorum innervation

Answer 22

radial

Question 23

extensor digiti minimi innervation

Answer 23

radial

Question 24

extensor carpi ulnaris innervation

Answer 24

radial

Question 25

abductor pollicis longus innervation

Answer 25

radial

Question 26

extensor pollicis brevis/longus innervation

Answer 26

radial

Question 27

extensor indicis innervation

Answer 27

radial

Question 28

supinator innervation

Answer 28

radial

Question 29

pronator teres innervation

Answer 29

median

Question 30

flexor carpi radialis innervation

Answer 30

median

Question 31

palmaris longus innervation

Answer 31

median

Question 32

flexor carpi ulnaris innervation

Answer 32

ulnar

Question 33

flexor digitorum superficialis innervation

Answer 33

median

Question 34

flexor pollicis longus innervation

Answer 34

median

Question 35

flexor digitorum profundus innervation

Answer 35

medial half: ulnar lateral half: medianl

Question 36

lumbricals innervation

Answer 36

medial two: ulnar lateral two: median

Question 37

dorsal interossei innervation

Answer 37

ulnar

Question 38

palmar interossei innervation

Answer 38

ulnar

Question 39

opponens pollicis innervation

Answer 39

median

Question 40

adductor pollicis innervation

Answer 40

ulnar

Question 41

pec major action

Answer 41

flexion, IR, horizontal add of arm scapular protraction and depression

Question 42

pec minor action

Answer 42

downward rotation of scapula scapular protraction and depression

Question 43

serratus anterior action

Answer 43

upward rotation of scapula scapular protraction and depression

Question 44

trapezius action

Answer 44

scapular elevation scapular retraction scapular depression upper and lower: upward rotation

Question 45

rhomboid major and minor action

Answer 45

adduction, elevation, downward rotation of scapula

Question 46

levator scapulae action

Answer 46

scapular elevation and downward rotation

Question 47

sternocleidomastoid action

Answer 47

same side lateral flexion, opp rotation

Question 48

lat dorsi action

Answer 48

medial rotation, adduction, extension of shoulder joint

Question 49

deltoid action

Answer 49

abduction anterior fibers flex, posterior fibers extend

Question 50

teres major action

Answer 50

shoulder IR, extension, adduction

Question 51

coracobrachialis action

Answer 51

flexion of arm

Question 52

subscapularis action

Answer 52

IR, adduct

Question 53

supraspinatus action

Answer 53

abduction up to 15deg

Question 54

infraspinatus action

Answer 54

ER

Question 55

teres minor action

Answer 55

ER

Question 56

biceps action

Answer 56

flex elbow supinate forearm flex shoulder

Question 57

brachialis action

Answer 57

flex elbow

Question 58

triceps action

Answer 58

extend elbow and shoulder

Question 59

brachioradialis action

Answer 59

elbow flexion in mid-pronated postioni