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Flashcards in Lumbar Plexus Deck (23):
1

What spinal segment does the femoral nerve derive from?

L2, L3, L4

2

What spinal segment does the obturator nerve derive from?

L2, L3, L4

3

What spinal segment does the sciatic nerve derive from?

L4, L5, S1, S2

4

What spinal segment does the superior gluteal nerve derive from?

L4, L5, S1

5

What spinal segment does the inferior gluteal nerve derive from?

L5, S1, S2

6

What spinal segment does the posterior cutaneous nerve of the thigh derive from?

S1, S2, S3

7

What spinal segment does the nerve to quadratus femoris derive from?

L4, L5, S1

8

What spinal segment does the nerve to obturator internus derive from?

L5, S1, S2

9

What is the motor function of the ilio-inguinal nerve?

Abdominal wall

10

What is the motor function of the femoral nerve?

Anterior thigh.
Has branches to the iliacus and pectineus

11

What is the motor function of the obturator nerve?

Medial compartment of the thigh and obturator externus

12

What is the motor function of the superior gluteal nerve?

Gluteus medius
Gluteus minimus
Tensor faciae latae

13

What is the motor function of the inferior gluteal nerve?

Gluteus maximus

14

What is the motor function of the nerve to quadratus femoris?

Quadratus femoris
Gemellus inferior

15

What is the motor function of the nerve to obturator internus?

Obturator internus
Gemellus superior

16

What is the sensory function of the ilio-inguinal nerve?

Anteromedial upper thigh and the adjacent skin of the perineum.

17

What is the sensory function of the genitofemoral nerve?

Femoral branch: anterocentral upper thigh
Anterior branch: perineum

18

What is the sensory function of the femoral nerve?

Anterior thigh
Medial knee, leg and foot

19

What is the sensory function of the obturator nerve?

Upper medial aspect of the tigh

20

What is the sensory function of the sciatic nerve?

Lateral leg and foot
Sole and dorsal aspect of the foot

21

What is the sensory function of the lateral cutaneous nerve of the thigh?

Parietal peritoneum of the iliac fossa.
Anterolateral thigh

22

What is the sensory function of the posterior cutaneous nerve of the thigh?

Gluteal fold
Upper medial aspect of the thigh
Posterior aspect of the thigh and upper leg

23

What is the sensory function of the perforating cutaneous nerve?

Medial gluteal fold