Innervations

Question 1

Supraspinatus

Answer 1

C5-6, upper trunk, suprascapular n.

Question 2

Deltoid

Answer 2

C5-6, upper trunk, posterior cord, axillary n.

Question 3

Pec major

Answer 3

C5-T1, all trunks, medial & lateral cords, medial & lateral pectoral n.

Question 4

Lat dorsi

Answer 4

C6-8, all trunks, posterior cord, thoracodorsal n.

Question 5

Biceps

Answer 5

C5-6, upper trunk, lateral cord, musculocutaneous n.

Question 6

Triceps

Answer 6

C6-8, all trunks, posterior cord, radial n.

Question 7

Teres major

Answer 7

C6, posterior cord, lower subscapular n.

Question 8

Subscapularis

Answer 8

C5-6, posterior cord, upper & lower subscapular n.

Question 9

Infraspinatus

Answer 9

C5-6, upper trunk, suprascapular n.

Question 10

Teres minor

Answer 10

C5-6, upper trunk, posterior cord, axillary n.

Question 11

Brachialis

Answer 11

C5-6, upper trunk, lateral cord, musculocutaneous n.

Question 12

Brachioradialis

Answer 12

C5-6, upper trunk, posterior cord, radial n.

Question 13

Pronator teres

Answer 13

C6-7, upper & middle trunks, lateral cord, median n.

Question 14

Anconeus

Answer 14

Same as triceps

Question 15

Supinator

Answer 15

C5-6, upper trunk, posterior cord, radial n./PIN

Question 16

Pronator quadratus

Answer 16

C7-T1, middle & lower trunks, medial & lateral cords, median n./AIN

Question 17

FCR

Answer 17

C6-7, upper & middle trunks, lateral cord, median n.

Question 18

FCU

Answer 18

C8-T1, lower trunk, medial cord, ulnar n.

Question 19

FDS

Answer 19

C7-8, middle & lower trunks, medial & lateral cords, median n.

Question 20

FDP

Answer 20

C7-T1, middle & lower trunks, medial cord, AIN/ulnar n.

Question 21

Extensor digitorum communis

Answer 21

C7-8, middle & lower trunks, posterior cord, radial nerve, PIN

Question 22

ECU

Answer 22

C7-8, middle & lower trunks, posterior cord, radial n./PIN

Question 23

ECRL/ECRB

Answer 23

C6-7, upper & middle trunks, posterior cord, radial n.

Question 24

FPL

Answer 24

C7-T1, middle & lower trunks, medial & lateral cord, median n./AIN

Question 25

FPB

Answer 25

C8-T1, lower trunk, median cord, median & ulnar n.

Question 26

Iliopsoas, sartorius, rectus femoris

Answer 26

L2-4, femoral n.

Question 27

Glut max

Answer 27

L5-2, inferior gluteal n.

Question 28

Glut med

Answer 28

L4-S1, superior gluteal n.

Question 29

Semimembranosis, semitendinosis

Answer 29

L4-S1, sciatic n. (tibial division)

Question 30

Biceps femoris

Answer 30

L5-S1, sciatic n. (tibial n. for long head, peroneal n. for short head)

Question 31

Glut min

Answer 31

L4-S1, superior gluteal n.

Question 32

TFL

Answer 32

L4-S1, superior gluteal n.

Question 33

Adductor longus, magnus, brevis

Answer 33

L2-4, obturator n. (Magnus has some sciatic n. (tibial division))

Question 34

Gracilis

Answer 34

L2-4, obturator n.

Question 35

Pectineus

Answer 35

L2-4, obturator n.

Question 36

Gastroc

Answer 36

S1-2, tibial n.

Question 37

Quadriceps femoris (rectus, vastus intermedius, VMO, vastus lateralis)

Answer 37

L2-4, femoral n.

Question 38

Soleus

Answer 38

S1-2, tibial n.

Question 39

Tibialis Posterior

Answer 39

L5-S1, tibial n.

Question 40

TA

Answer 40

L4-5, deep peroneal n.

Question 41

Peroneus tertius

Answer 41

L5-S1, deep peroneal n.

Question 42

Peroneus longus & brevis

Answer 42

L5-S1, superficial peroneal n.

Question 43

FDL

Answer 43

L5-S1, tibial n.

Question 44

FHL

Answer 44

L5-S1, tibial n.

Question 45

FHB

Answer 45

L5-S1, tibial n., medial plantar n.

Question 46

EDL

Answer 46

L4-5, deep peroneal n.

Question 47

EDB

Answer 47

L4-S1, deep peroneal n.

Question 48

EHL

Answer 48

L4-S1, deep peroneal n.

Question 49

Adductor hallicus

Answer 49

S1-2, tibial n., lateral plantar n.

Question 50

Palmar interossei (3)

Answer 50

S2-3, tibial n., lateral plantar n.

Question 51

Abductor hallicus

Answer 51

S1-2, tibial n., medial plantar n.

Question 52

Dorsal interossei (4)

Answer 52

S2-3, tibial n., lateral plantar n.