Nerves and Arteries to Know

Question 1

Femoral Nerve

Answer 1

L2-L4

Question 2

Obturator Nerve

Answer 2

L2-L4

Question 3

Sciatic Nerve

Answer 3

L4-S3

Question 4

Tibial Div. of Sciatic

Answer 4

L4-S3

Question 5

Common Fibular Division of Sciatic

Answer 5

L4-S2

Question 6

Posterior Femoral Cutaneous Nerve

Answer 6

S1-S3

Question 7

Lateral Femoral Cutaneous Nerve

Answer 7

L2-L3

Question 8

Superior Gluteal N.

Answer 8

L4-S1

Question 9

Inferior Gluteal N.

Answer 9

L5-S2

Question 10

What are the spinal segments of the nerves that primarily innervate the muscles?

Answer 10

L5-S2

Question 11

What primarily supplies blood to the hip and thigh?

Answer 11

Deep Femoral A.

Question 12

What primarily supplies blood to the medial thigh?

Answer 12

Anterior Branch of the Obturator A.

Question 13

What supplies blood to ALL of the gluteal muscles and tensor fascia lata?

Answer 13

Superior Gluteal A.

Question 14

What is the only muscle the superficial branch of the superior gluteal A. supply?

Answer 14

gluteus maximus

Question 15

What does the deep branch of the superior gluteal A. supply?

Answer 15

gluteus medius, gluteus minimis, tensor fascia lata

Question 16

What muscles does the Inferior Gluteal A supply?

Answer 16

• Gluteus maximus

- small lateral rotators (piriformis, gemellae, quadratus femoris, obturator internus and externus)

Question 17

What artery supplies the anterior compartment of the leg?

Answer 17

Anterior Tibial A.

Question 18

What artery supplies the posterior compartment of the leg?

Answer 18

Posterior Tibial A.

Question 19

What artery supplies the lateral compartment of the leg?

Answer 19

Fibular A. via perforating branches (Fibular A. branches off from the posterior tibial A after the anterior tibial punches through interosseous membrane between the tibia and fibula)