Lower Extremity Block

Question 1

The ilioinguinal and iliohypogastric n. arise from where?

Answer 1

L1

Question 2

The ilioinguinal and iliohypogastric n. inervate what

Answer 2

Abdominal muscles and skin of the inquinial and pubic area

Question 3

Where does the latereal femoral cutaneous n. arise?

Answer 3

L2 & L3

Question 4

what does the lateral femoral cutaneous n. inervate

Answer 4

Sensations to the anteriolateral thigh

Question 5

where does the Femoral n. arise from?

Answer 5

L2-L4

Question 6

what does the femoral n. innervate?

Answer 6

Innervates the iliacus, hip flexors, and knee extensors of the thigh

Question 7

Where does the obturator n. arise

Answer 7

L2-L4

Question 8

what does the obturator nerve innervate?

Answer 8

Innervates medial thigh

Question 9

picture

Answer 9

Question 10

Label

Answer 10

Question 11

label

Answer 11

Question 12

Label

Answer 12

1. lumbar plexus
2. Lateral femoral cutaneous n.
3. Femoral n.
4. Obturator n.
5. common peroneal n.
6. Superficial peroneal n.
7. Deep Peroneal n.
8. Saphenous n.
9. Lumbarsacral plexus
10. Tibial n.

Question 13

which nerve of the ankle is the most diffifult to block and why?

Answer 13

posterior tibial

Deepest

Question 14

which nerves of the ankle are most superficial

Answer 14

All the “s”

Sural

Saphenous

Superficial peroneal

Question 15

Label

Answer 15

1. Calcaneal n.
2. saphenous n.
3. Tibial n.
4. saphenous n.
5. superficial peroneal n.
6. Sural n.
7. Plantar n.
8. Deep peroneal n.
9. Calcaneal n.
10. Saphenous n.
11. Superficial peroneal n.
12. Plantar n.

Question 16

Label

Answer 16

1. Iliohypogastric n.
2. Genitofemoral n. (femoral branch)
3. Genitofemoral n. (genital branch)
4. Lateral femoral coutaneous n.
5. Femoral n.
6. Obturator n.
7. Peroneal n.
8. Saphenous n.
9. Sural n.
10. Deep peroneal n.
11. Superficial Perneal n.
12. Iliohypogastric n.
13. cluneal n.
14. Lateral femoral coutaneous n.
15. posterior femoral cutaneous
16. femoral n.
17. obturator n.
18. peroneal n.
19. Saphenous n.
20. Sural n.
21. Calcaneal n.
22. Medial Plantar n.

Question 17

Picture of last slide

Answer 17