Upper Extremity

Question 1

Pectoralis Major

Answer 1

Lateral and medial pectoral nerves. clavicular head C6. sternocostal head C7 C8

Question 2

Pectoralis Minor

Answer 2

Medial pectoral nerve C8 T1

Question 3

Subclavius

Answer 3

subclavian nerve C5

Question 4

Serratus anterior

Answer 4

Long Thoracic nerve C6 C7

Question 5

Trapezius

Answer 5

spinal accessory nerve (motor) and C3 C4 spinal fibers (sensory)

Question 6

Latissimus Dorsi

Answer 6

Thoracodorsal nerve C6 C7

Question 7

Levator Scapulae

Answer 7

Dorsal scapular C5, and spinal nerves C3 C4

Question 8

Rhomboid Minor and Major

Answer 8

Dorsal Scapular nerve C5

Question 9

Deltoid

Answer 9

Axillary Nerve C5

Question 10

Supraspinatus

Answer 10

suprascapular nerve C5

Question 11

infraspinatus

Answer 11

suprascapular nerve C5

Question 12

teres minor

Answer 12

axillary nerve C5

Question 13

Teres major

Answer 13

lower subscapular nerve C6

Question 14

subscapularis

Answer 14

upper and lower subscapular nerves C6

Question 15

biceps brachii

Answer 15

musculocutaneous nerve C6

Question 16

Brachialis

Answer 16

musculocutaneous nerve C6

Question 17

Coracobrachialis

Answer 17

Musculocutaneous nerve C6

Question 18

Triceps Brachii

Answer 18

Radial nerve C7 C8

Question 19

Anconeus

Answer 19

Radial nerve C7 C8 T1

Question 20

Pronator Teres

Answer 20

Median Nerve C7

Question 21

Flexor Carpi Radialis

Answer 21

Median nerve C7

Question 22

Palmaris Longus

Answer 22

Median Nerve C7 C8

Question 23

Flexor Carpi Ulnaris

Answer 23

Ulnar Nerve C8

Question 24

Flexor digitorum Superficialis

Answer 24

Median Nerve C7 C8 T1

Question 25

Flexor Digitorum Profundus

Answer 25

Digits 2 and 3= median nerve C8 (anterior interosseous branch) Digits 4 and 5= ulnar nerve T1

Question 26

Flexor Pollicis Longus

Answer 26

Anterior Interosseous Nerve C8

Question 27

Pronator Quadratus

Answer 27

Anterior Interosseous Nerve C8

Question 28

Brachioradialis

Answer 28

Radial nerve C6

Question 29

Extensor Carpi Radialis Longus

Answer 29

Radial nerve C6 C7

Question 30

Extensor Carpi Radialis brevis

Answer 30

Deep branch of Radial nerve C7

Question 31

Extensor Digitorum

Answer 31

Posterior interosseous nerve coming from deep branch of radial nerve C7

Question 32

Extensor digiti minimi

Answer 32

Posterior interosseous nerve coming from deep branch of radial nerve C7

Question 33

Extensor carpi ulnaris

Answer 33

Posterior interosseous nerve coming from deep branch of radial nerve C7

Question 34

Supinator

Answer 34

Deep branch of radial nerve C8

Question 35

Abductor pollicis longus

Answer 35

Posterior interosseous nerve coming from deep branch of radial nerve C8

Question 36

Extensor pollicis longus

Answer 36

Posterior interosseous nerve coming from deep branch of radial nerve C8

Question 37

Extensor pollicis brevis

Answer 37

Posterior interosseous nerve coming from deep branch of radial nerve C8

Question 38

Extensor indicis

Answer 38

Posterior interosseous nerve coming from deep branch of radial nerve C8

Question 39

opponens pollicis

Answer 39

recurrent branch of median nerve C8

Question 40

Abductor pollicis brevis

Answer 40

recurrent branch of median nerve C8

Question 41

Flexor pollicis brevis

Answer 41

recurrent branch of median nerve C8 and deep branch of ulnar nerve T1

Question 42

adductor pollicis

Answer 42

deep branch of ulnar nerve T1

Question 43

abductor digiti minimi

Answer 43

deep branch of ulnar nerve T1

Question 44

flexor digiti minimi brevis

Answer 44

deep branch of ulnar nerve T1

Question 45

opponens digiti minimi

Answer 45

deep branch of ulnar nerve T1

Question 46

Lumbricals

Answer 46

1 and 2 from median nerve T1, 3 and 4 from deep branch of ulnar nerve T1

Question 47

Interossei (dorsal 1-4 palmar 1-3)

Answer 47

deep branch of ulnar nerve T1