Gross 2 Cutaneous Nerves of leg *Root, and Distribution*

Question 1

What are the nerve roots (origin) of Superior Clunial nerve?

Answer 1

Posterior rami of L1-L3

Question 2

What does the Superior Clunial nerve supply sensory to?

Answer 2

Supplies skin of superior buttocks as far as tubercle of iliac crest

Question 3

Where are the nerve roots (origin) of Middle Clunial nerve?

Answer 3

Posterior rami of S1-S3

Question 4

What does the Middle Clunial nerve supply sensory to?

Answer 4

Supplied skin over sacrum and adjacent area of buttocks

Question 5

Where are the nerve roots (origin) of Inferior Clunial nerve?

Answer 5

Posterior cutaneous nerve of thigh
(S2-S3)

Question 6

What does the Inferior Clunial nerve supply sensory to?

Answer 6

Supplies skin of inferior half of buttocks as far as greater trochanter

Question 7

What are the nerve roots (origin) of Lateral Cutaneous nerve of thigh?

Answer 7

Lumbar Plexus (L2-L3)

Question 8

What does Lateral Cutaneous nerve of thigh supply sensory to?

Answer 8

Supplies skin on anterior and lateral aspects of thigh

Question 9

What are the nerve roots (Origin) of Anterior Cutaneous branches?

Answer 9

Lumbar Plexus (via Femoral Nerve)
[L2-L4]

Question 10

What does the Anterior Cutaneous branch supply sensory to?

Answer 10

Supplies skin of anterior and medial aspects of thigh

Question 11

What are the nerve roots (Origin) of Cutaneous Branch of Obturator nerve?

Answer 11

Lumbar Plexus (Via Obturator nerve, anterior branch)
[L2-L4]

Question 12

What does Cutaneous Branch of Obturator nerve supply sensory to?

Answer 12

Skin of middle part of medial thigh

Question 13

What are the nerve roots (Origin) of Posterior Cutaneous nerve of thigh?

Answer 13

Sacral Plexus (S1-S3)

Question 14

What does Posterior Cutaneous nerve of thigh supply sensory to?

Answer 14

{Terminal branches pierce through fascia lata}

Supplies skin of posterior thigh and Popliteal Fossa

Question 15

What are the nerve roots (Origin) of Saphenous nerve?

Answer 15

Lumbar Plexus (Via Femoral nerve)
[L3-L4]

Question 16

What does the Saphenous nerve supply sensory to?

Answer 16

Supplies skin on medial side of knee, leg and foot

Question 17

What are the nerve roots (Origin) of Superficial Fibular Nerve?

Answer 17

Common Fibular Nerve (L4-S1)

Question 18

What does the Superficial Fibular Nerve supply sensory to?

Answer 18

Skin of Anterolateral leg and dorsum of the foot, EXCLUDING web between Great and 2nd toes

Question 19

What are the nerve roots (Origin) of Deep Fibular Nerve?

Answer 19

Common Fibular (L5)

Question 20

What does the Deep Fibular Nerve supple Sensory to?

Answer 20

Skin of web between Great and 2nd toes

Question 21

What are the nerve roots (Origin) of Sural Nerve?

Answer 21

Tibial and Common Fibular Nerves (S1, S2)

Question 22

What dos the Sural Nerve supply?

Answer 22

Skin of posterolateral leg and lateral margin of foot

Question 23

What are the nerve roots (Origin) of Medial Plantar Nerve?

Answer 23

Tibial Nerve (L4-L5)

Question 24

What does the Medial Plantar nerve supply sensory to?

Answer 24

Skin of medial side of sole, and plantar aspect, sides and nail beds of medial 3 1/2 toes

Question 25

What are the nerve roots (Origin) of Lateral Plantar Nerve?

Answer 25

Tibial Nerve (S1-S2)

Question 26

What does the Lateral Plantar Nerve supply sensory to?

Answer 26

Skin of lateral sole, an plantar aspect, sides, and nail beds of lateral 1 1/2 toes

Question 27

What are the nerve roots (Origin) of Calcaneal Nerve?

Answer 27

Tibial and Sural Nerves (S1-S2)

Question 28

What does the Calcaneal Nerve supply sensory to?

Answer 28

Skin of Heel