Muscular Innervations [only]

Question 1

iliopsoas m.

Answer 1

• anterior rami of lumbar nerves (L1, L2, L3)
• femoral nerve: (L2, L3)

Question 2

pectineus m.

Answer 2

femoral nerve (L2, L3)

Question 3

sartorius m.

Answer 3

femoral nerve (L2, L3)

Question 4

quadriceps femoris m. (all 4)

Answer 4

femoral nerve (L2, L3, L4)

Question 5

adductor longus m.

Answer 5

anterior division of the obturator nerve (L2, L3, L4)

Question 6

adductor brevis m.

Answer 6

anterior division of the obturator nerve (L2, L3, L4)

Question 7

adductor magnus m.

Answer 7

• adductor head: posterior division of the obturator nerve (L2, L3, L4)
• hamstring head: tibial division of the obturator nerve (L4)

Question 8

gracilis m.

Answer 8

obturator nerve (L2, L3)

Question 9

obturator externus m.

Answer 9

obturator nerve (L3, L4)

Question 10

gluteus maximus m.

Answer 10

inferior gluteal nerve (L5, S1, S2)

Question 11

gluteus medius m.

Answer 11

superior gluteal nerve (L5, S1)

Question 12

gluteus minimus m.

Answer 12

superior gluteal nerve (L5, S1)

Question 13

tensor fascia lata m.

Answer 13

superior gluteal nerve (L5, S1)

Question 14

piriformis m.

Answer 14

nerve to piriformis m. (branches of the anterior rami of S1, S2)

Question 15

obturator internus m.

Answer 15

nerve to the obturator internus (L5, S1)

Question 16

superior gemellus m.

Answer 16

nerve to the obturator internus (L5, S1)

Question 17

inferior gemellus m.

Answer 17

nerve to the quadratus femoris (L5, S1)

Question 18

quadratus femoris m.

Answer 18

nerve to the quadratus femoris (L5, S1)

Question 19

semitendinosus m.

Answer 19

tibial division of the sciatic nerve (L5, S1, S2)

Question 20

semimembranosus m.

Answer 20

tibial division of sciatic nerve (L5, S1, S2)

Question 21

short head of the biceps femoris m.

Answer 21

common fibular division of the sciatic nerve (L5, S1, S2)

Question 22

long head of the biceps femoris m.

Answer 22

tibial division of the sciatic nerve (L5, S1, S2)

Question 23

tibialis anterior m.

Answer 23

deep fibular nerve (L4, L5)

Question 24

extensor digitorum longus m.

Answer 24

deep fibular nerve (L4, L5)

Question 25

extensor hallucis longus m.

Answer 25

deep fibular nerve (L4, L5)

Question 26

fibularis tertius m.

Answer 26

deep fibular nerve (L4, L5)

Question 27

fibularis longus m.

Answer 27

superficial fibular nerve (L5, S1, S2)

Question 28

fibularis brevis m.

Answer 28

superficial fibular nerve (L5, S1, S2)

Question 29

gastrocnemius m.

Answer 29

tibial nerve (S1, S2)

Question 30

soleus m.

Answer 30

tibial nerve (S1, S2)

Question 31

plantaris m.

Answer 31

tibial nerve (S1, S2)

Question 32

popliteus m.

Answer 32

tibial nerve (L4, L5, S1)

Question 33

flexor hallucis longus m.

Answer 33

tibial nerve (S2, S3)

Question 34

flexor digitorum longus m.

Answer 34

tibial nerve (S2, S3)

Question 35

tibialis posterior m.

Answer 35

tibial nerve (L4, L5)

Question 36

abductor hallucis m.

Answer 36

medial plantar nerve (S2, S3)

Question 37

flexor digitorum brevis m.

Answer 37

medial plantar nerve (S2, S3)

Question 38

abductor digiti minimi m.

Answer 38

lateral plantar nerve (S2, S3)

Question 39

quadratus plantae m.

Answer 39

lateral plantar nerve (S2, S3)

Question 40

1st-4th lumbrical mms.

Answer 40

• 1st: medial plantar nerve (S2, S3)
• 2nd-4th: lateral plantar nerve (S2, S3)

Question 41

flexor hallucis brevis m.

Answer 41

medal plantar nerve (S2, S3)

Question 42

adductor hallucis m.

Answer 42

deep branch of the lateral plantar nerve (S2, S3)

Question 43

flexor digiti minimi brevis m.

Answer 43

superficial branch of the laeral plantar nerve (S2, S3)

Question 44

plantar and dorsal interossei mm.

Answer 44

lateral plantar nerve (S2, S3)

Question 45

extensor digitorum brevis m.

Answer 45

deep fibular nerve (L5 or S1, or both)

Question 46

extensor hallucis brevis m.

Answer 46

deep fibular nerve (L5 or S1, or both)