Muscle Innervations (upper extremities)

Question 0

Trapezius

Answer 0

Spinal root of accessory nerve

Question 1

Pectoralis Minor innervation?

Answer 1

Medial pectoral nerve C8 T1

Question 2

Latissimus dorsi

Answer 2

thoracodorsal nerve

Question 3

Subclavius

Answer 3

Nerve to subclavius C5 C6

Question 4

Serratus Anterior innervation?

Answer 4

Long thoracic nerve C5 C6 C7

Question 5

Pectoralis Major innervation

Answer 5

Lateral and medial pectoral nerves Clavicular head C5 C6 Sternocostal head C7 C8 T1

Question 6

Levator scapulae

Answer 6

Dorsal scapular nerve and cervical nerves

Question 7

Rhomboid minor and major

Answer 7

Dorsal scapular nerve

Question 8

Deltoid

Answer 8

Axillary nerve

Question 9

Supraspinatus

Answer 9

Suprascapular nerve

Question 10

Infraspinatus

Answer 10

Suprascapular nerve

Question 11

Teres minor

Answer 11

Axillary nerve

Question 12

Teres major

Answer 12

Lower subscapular nerve

Question 13

Subscapularis

Answer 13

Upper and lower subscapular nerves

Question 14

Biceps brachii

Answer 14

Musculocutaneous nerve C5 C6

Question 15

Brachialis

Answer 15

Musculocutaneous nerve C5 C6

Question 16

Coracobrachialis

Answer 16

Musculocutaneous nerve C5 C6 C7

Question 17

Triceps brachii

Answer 17

Radial nerve C6 C7 C8

Question 18

Anconeus

Answer 18

Radial nerve C7 C8 T1

Question 19

Pronator Teres

Answer 19

Median nerve C6 C7

Question 20

Flexor carpi radialis

Answer 20

Median nerve C6 C7

Question 21

Palmaris longus

Answer 21

Median nerve C7 C8

Question 22

Flexor carpi ulnaris

Answer 22

Ulnar nerve C7 C8

Question 23

Flexor digitorum superficialis

Answer 23

Median nerve C7 C8 T1

Question 24

Flexor digitorum profundus

Answer 24

Medial part: Ulnar nerve C8 T1 Lateral part: Median nerve C8 T1

Question 25

Flexor pollicis longus

Answer 25

Anterior interosseus nerve from median nerve C8 T1

Question 26

Pronator quadratus

Answer 26

Anterior interosseus nerve from median nerve C8 T1

Question 27

Brachioradialis

Answer 27

Radial nerve C5 C6 C7

Question 28

Extensor carpi radialis longus

Answer 28

Radial nerve C6 C7

Question 29

Extensor carpi radialis brevis

Answer 29

Deep branch of radial nerve C7 C8

Question 30

Extensor digitorum

Answer 30

Deep branch of radial nerve C7 C8

Question 31

Extensor digiti minimi

Answer 31

Deep branch of radial nerve C7 C8

Question 32

Extensor carpi ulnaris

Answer 32

Deep branch of radial nerve C7 C8

Question 33

Supinator

Answer 33

Deep branch of radial nerve C7 C8

Question 34

Extensor indicis

Answer 34

Deep branch of radial nerve C7 C8

Question 35

Abductor policis longus

Answer 35

Posterior interosseous nerve C7 C8 (continuation of deep branch of radial nerve)

Question 36

Extensor pollicis longus

Answer 36

Posterior interosseous nerve C7 C8 (continuation of deep branch of radial nerve)

Question 37

Extensor pollicis brevis

Answer 37

Posterior interosseous nerve C7 C8 (continuation of deep branch of radial nerve)

Question 38

Opponens pollicis

Answer 38

Recurrent branch of medial nerve C8 T1

Question 39

Abductor pollicis brevis

Answer 39

Recurrent branch of medial nerve C8 T1

Question 40

Flexor pollicis brevis

Answer 40

Superficial head: recurrent branch of medial nerve C8 T1; deep head: deep branch of ulnar nerve C8 T1

Question 41

Adductor pollicis

Answer 41

Deep branch of ulnar nerve C8 T1

Question 42

Abductor digiti minimi

Answer 42

Deep branch of ulnar nerve C8 T1

Question 43

Flexor digiti minimi brevis

Answer 43

Deep branch of ulnar nerve C8 T1

Question 44

Opponens digiti minimi

Answer 44

Deep branch of ulnar nerve C8 T1

Question 45

Lumbricals

Answer 45

1st and 2nd: Median nerve C8 T1; 3rd and 4th: Deep branch of ulnar nerve C8 T1

Question 46

Dorsal interossei

Answer 46

Deep branch of ulnar nerve C8 T1

Question 47

Plantar interossei

Answer 47

Deep branch of ulnar nerve C8 T1