LE Muscles - Innervations

Question 1

Iliacus

Answer 1

innervation- femoral nerve & lumbar plexus branches

Question 2

Psoas (L. muscle of the loin)

Answer 2

innervation- ventral rami L1-3

Question 3

Rectus femoris (L2, 3, 4) (L. straight)

Answer 3

innervation- femoral nerve

Question 4

Sartorius (L. sartor, a tailor)

Answer 4

innervation- femoral nerve

Question 5

Tensor fasciae latae

Answer 5

innervation- superior gluteal nerve

Question 6

Vastus intermedius (L2, 3, 4)

Answer 6

innervation- femoral nerve

Question 7

Vastus lateralis (L2, 3, 4)

Answer 7

innervation- femoral nerve

Question 8

Vastus medialis (L2, 3, 4)

Answer 8

innervation- femoral nerve

Question 9

Adductor brevis

Answer 9

innervation- obturator nerve

Question 10

Adductor longus

Answer 10

innervation- obturator nerve

Question 11

Adductor magnus

Answer 11

innervation- obturator nerve (adductor region) & tibial division (hamstring region) of the sciatic nerve

Question 12

Gracilis (L. scanty)

Answer 12

innervation- obturator nerve

Question 13

Pectineus

Answer 13

innervation- femoral nerve & accessory obturator nerve when this nerve is present

Question 14

Obturator externus

Answer 14

innervation- obturator nerve

Question 15

Gemellus inferior (L. twin)

Answer 15

innervation- sacral plexus (nerve to the quadratus femoris)

Question 16

Gemellus superior

Answer 16

innervation- sacral plexus (nerve to the obturator internus)

Question 17

Gluteus maximus

Answer 17

innervation- inferior gluteal nerve

Question 18

Gluteus medius

Answer 18

innervation- superior gluteal nerve

Question 19

Gluteus minimis

Answer 19

innervation- superior gluteal nerve

Question 20

Obturator internus

Answer 20

innervation- sacral plexus (nerve to the obturator internus)

Question 21

Piriformis

Answer 21

innervation- branches of the lumbosacral plexus

Question 22

Quadratus femoris

Answer 22

innervation- sacral plexus (nerve to the quadratus femoris)

Question 23

Biceps femoris

Answer 23

innervation- tibial (long head) & peroneal (short head) divisions of the sciatic nerve

Question 24

Semimembranosus

Answer 24

innervation- tibial division of the sciatic nerve

Question 25

Semitendinosus

Answer 25

innervation- tibial division of the sciatic nerve

Question 26

Extensor digitorum longus

Answer 26

innervation- deep peroneal nerve

Question 27

Extensor hallucis longus (L. hallex, great toe)

Answer 27

innervation- deep peroneal nerve

Question 28

Peroneus tertius

Answer 28

innervation- deep peroneal nerve

Question 29

Tibialis anterior

Answer 29

innervation- deep peroneal nerve

Question 30

Peroneus longus

Answer 30

innervation- superficial peroneal nerve

Question 31

Peroneus brevis

Answer 31

innervation- superficial peroneal nerve

Question 32

Flexor digitorum longus

Answer 32

innervation- tibial nerve

Question 33

Flexor hallucis longus

Answer 33

innervation- tibial nerve

Question 34

Gastrocnemius (S1,2) (G. gaster, belly + kneme, leg)

Answer 34

innervation- tibial nerve

Question 35

Plantaris (L. planta, sole)

Answer 35

innervation- tibial nerve

Question 36

Popliteus

Answer 36

innervation- tibial nerve

Question 37

Soleus (S1,2)

Answer 37

innervation- tibial nerve

Question 38

Tibialis posterior

Answer 38

innervation- tibial nerve

Question 39

Abductor digiti minimi

Answer 39

innervation- lateral plantar nerve

Question 40

Abductor halluces

Answer 40

innervation- medial plantar nerve

Question 41

Adductor halluces

Answer 41

innervation- lateral plantar nerve

Question 42

Extensor digitorum brevis

Answer 42

innervation- deep peroneal nerve

Question 43

Extensor hallucis brevis

Answer 43

innervation- deep peroneal nerve

Question 44

Flexor digitorum accessories

Answer 44

innervation- lateral plantar nerve

Question 45

Flexor digitorum brevis

Answer 45

innervation- medial plantar nerve

Question 46

Flexor digiti minimi

Answer 46

innervation- lateral plantar nerve

Question 47

Flexor hallucis brevis

Answer 47

innervation- medial plantar nerve

Question 48

Interossei-dorsal

Answer 48

innervation- lateral plantar nerve

Question 49

Interossei-plantar

Answer 49

innervation- lateral plantar nerve

Question 50

Lumbricals

Answer 50

innervation- 1st- medial plantar nerve & 2-4- lateral plantar nerve