Muscles (and the nerves) Of The Upper Extremity/Deep Back/Neck

Question 1

What innervates trapezius?

Answer 1

Accessory Nerve (C3,4 CN XI)

Question 2

What innervates levator scapulae?

Answer 2

Dorsal Scapular Nerve (C5) (C3,4)

Question 3

What innervates rhomboids major and minor?

Answer 3

Dorsal Scapular Nerve (C4,5)

Question 4

What innervates serratus anterior?

Answer 4

Long thoracic nerve (c5,6,7)

Question 5

What innervates serratus posterior superior?

Answer 5

Intercostal Nerves T1-4

Question 6

What innervates serratus posterior inferior?

Answer 6

Intercostal Nerves T9-12

Question 7

What innervates the deltoids?

Answer 7

Axillary Nerve (C5,6)

Question 8

What innervates latissimus dorsi?

Answer 8

Thoracodorsal nerve (c6,7,8)

Question 9

What innervates Supraspinatus?

Answer 9

Suprascapular nerve (c4,5,6)

Question 10

What innervates infraspinatus?

Answer 10

Suprascapular nerve (c5,6)

Question 11

What innervates Teres minor?

Answer 11

Axillary nerve (c5,6)

Question 12

What innervates subscapularis?

Answer 12

Upper and lower subscapular nerves (C5,6,7)

Question 13

What innervates Teres major?

Answer 13

Lower subscapular nerve (c5,6)

Question 14

What innervates pectoralis major?

Answer 14

Clavicular head: Lateral and Medial Pectoral Nerve (C5,6)

Sternocostal head: Medial Pectoral Nerve (C7,8,T1)

Question 15

What innervates pectoralis minor?

Answer 15

Medial Pectoral Nerve (C8/T1)

Question 16

What innervates subclavius?

Answer 16

Subclavian Nerve (C5,6)

Question 17

What innervates biceps brachii?

Answer 17

Musculocutaneous Nerve (C5,6)

Question 18

What innervates brachialis?

Answer 18

Musculocutaneous Nerve (C5,6)

Question 19

What innervates coracobrachialis?

Answer 19

Musculocutaneous Nerve (c5,6,7)

Question 20

What innervates triceps brachii?

Answer 20

Radial Nerve (c6,7,8)
Long head: axillary

Question 21

What innervates Anconeus?

Answer 21

Radial Nerve (C6,7,8)

Question 22

What innervates pronator Teres?

Answer 22

Median Nerve (C6,7)

Question 23

What innervates flexor Carpi radialis?

Answer 23

Median Nerve (c6,7)

Question 24

What innervates palmaris longus?

Answer 24

Median Nerve (c7,8)

Question 25

What innervates flexor Carpi ulnaris?

Answer 25

Ulnar nerve (c7,8)

Question 26

What innervates flexor digitorum superficialis?

Answer 26

Median nerve (c7,8,T1)

Question 27

What innervates Flexor digitorum profundus?

Answer 27

Radial 2 fingers: Median Nerve (c8,T1)

Ulnar 2 fingers: Ulnar Nerve (c8,T1)

Question 28

What innervates flexor Pollicis longus?

Answer 28

Median Nerve (C8/T1)

Question 29

What innervates pronator quadratus?

Answer 29

Median Nerve (C8/T1)

Question 30

What innervates the brachioradialis?

Answer 30

Radial Nerve (C5,6,7)

Question 31

What innervates extensor Carpi radialis longus?

Answer 31

Radial nerve (C6,7)

Question 32

What innervates extensor Carpi radialis brevis?

Answer 32

Radial Nerve (c6,7)

Question 33

What innervates extensor Carpi ulnaris?

Answer 33

Radial Nerve (C7,8)

Question 34

What innervates extensor digitorum?

Answer 34

Radial Nerve (c6,7,8)

Question 35

What innervates extensor indices?

Answer 35

Radial Nerve (C7,8)i

Question 36

What innervates extensor digiti minimi?

Answer 36

Radial Nerve (C7,8)

Question 37

What innervates extensor Pollicis longus?

Answer 37

Radial Nerve (c7,8)

Question 38

What innervates extensor Pollicis brevis?

Answer 38

Radial Nerve (c7,8)

Question 39

What innervates abductor Pollicis longus?

Answer 39

Radial Nerve (c7,8)

Question 40

What innervates supinator?

Answer 40

Radial Nerve (c7,8)

Question 41

Which muscles of the anterior forearm are innervated by the ulnar nerve?

Answer 41

Flexor Carpi Ulnaris

Flexor Digitorum Profundus (ulnar 2 fingers)

Question 42

Which nerve innervates most of the anterior forearm muscles?

Answer 42

Median Nerve

Question 43

Which nerve innervates all of the posterior forearm muscles?

Answer 43

Radial Nerve

Question 44

What innervates the muscles of the anterior arm?

Answer 44

Musculocutaneous Nerve

Question 45

What innervates muscles of the posterior arm?

Answer 45

Radial Nerve