Posterior Ab Wall And Pelvis

Question 1

Iliohypogastric nerve supplies?

Answer 1

Skin in suprapubic region after running across TVA and internal oblique, supplying them as well.

Question 2

Ilioinguinal nerve supplies?

Answer 2

Skin along the proximomedial thigh, root of penis,upper scrotum, or mons pubis and labia Majora,

Question 3

Genitofemoral nerve suppplies?

Answer 3

Genital branch: cremaster and scrotal skin
Femoral branch: innervates skin over femoral triangle

Question 4

Lateral femoral cutaneous nerve supplies?

Answer 4

Skin over lateral thigh after passing over iliacus and under inguinal ligament

Question 5

Obturator nerve supplies?

Answer 5

Innervates adductors of thigh and innervates patch of skin medial and superior to knee.

Question 6

Femoral nerve supplies?

Answer 6

Supplies knee extensors and thigh flexors. Provides sensation to most of anteriomedial thigh.

Question 7

Anterior branch of obturator nerve supplies?

Answer 7

Small patch of skin on medial thigh.

Question 8

Posterior branch of obturator nerve supplies?

Answer 8

2 mm in adductor compartment of thigh and terminates at joint capsule of knee. Supplies knee.

Question 9

Nerve to quadratus femoris supplies?

Answer 9

Hip joint
Inferior gemellus
Quadratus femoris

Question 10

Nerve to obturator internus supplies?

Answer 10

Superior gemellus and obturator internus.

Question 11

Pudendal nerve supplies?

Answer 11

Most of perineum

Question 12

Posterior divisions of lumbosacral plexus?

Answer 12

Superior gluteal nerve
Inferior gluteal nerve
Nerve to piriformis
Perforating cutaneous nerve

Question 13

Anterior divisions of lumbosacral plexus?

Answer 13

Nerve to quadratus femoris.
Nerve to obturator internus.
Pudendal nerve.

Question 14

What nerves in lumbosacral plexus are mixed between anterior and posterior divisions?

Answer 14

Sciatic nerve.
Posterior femoral cutaneous nerve.

Question 15

What branches off sciatic nerve?

Answer 15

Tibial division anteriorally
Common fibular nerve posterior