Lumbosacral Plexus Origin

Question 1

1

Answer 1

Subcostal n. (T12)

Question 2

2

Answer 2

Iliohypogastric n. (L1)

Question 3

3

Answer 3

Ilio-inguinal n. (L1)

Question 4

4

Answer 4

Genitofemoral n. (L1 and L2)

Question 5

5

Answer 5

Lateral femoral cutaneous n. (L2 and L3)

Question 6

6

Answer 6

Femoral n. (L2 - L4)

Question 7

7

Answer 7

Obturator n. (L2 - L4)

Question 8

8

Answer 8

Superior gluteal n. (L4, L5, S1)

Question 9

9

Answer 9

Inferior gluteal n. (L5, S1, S2)

Question 10

10

Answer 10

Nerve to piriformis (S1, S2)

Question 11

11

Answer 11

Sciatic n. (L4, L5, S1, S2, S3)

Question 12

11a

Answer 12

Common fibular (peroneal) n.
(L4, L5, S1, S2)

Question 13

11b

Answer 13

Tibial n. (L4, L5, S1, S2, S3)

Question 14

12

Answer 14

Nerve to quadratus femoris and inferior gemellus (L4, L5, S1)

Question 15

13

Answer 15

Nerve to obturator internus and superior gemellus (L5, S1, S2)

Question 16

14

Answer 16

Posterior femoral cutaneous nerve (S1, *S2, *S3)

Question 17

15

Answer 17

Perforating cutaneous nerve (S2, S3)

Question 18

16

Answer 18

Pudendal nerve (S2, S3, S4)

Question 19

17

Answer 19

Nerve to levator ani and coccygeus (S3, S4)

Question 20

18

Answer 20

Perineal branch of 4th sacral nerves

Question 21

19

Answer 21

Anococcygeal nerve

Question 22

20

Answer 22

Coccygeal nerve