Lumbosacral Plexus and general info

Question 1

Subcostal N

Answer 1

T12

Question 2

Iliohypogastric N

Answer 2

T12 and L1

Question 3

Ilioinguinal N

Answer 3

T12, and L1

Question 4

Genitofemoral N

Answer 4

L1 and L2

Question 5

Lateral Femoral Cutaneous N

Answer 5

L2 and L3

Question 6

Femoral N

Answer 6

L2, L3, L4

Question 7

Obturator N

Answer 7

L2, L3, L4

Question 8

Superior Gluteal N

Answer 8

L4, L5, S1

Question 9

Inferior Gluteal N

Answer 9

L5, S1, S2

Question 10

Posterior Femoral Cutaneous N

Answer 10

S1, S2, S3,

Question 11

Pudendal N

Answer 11

S2, S3, S4

Question 12

Tibial Component of Sciatic N

Answer 12

L4, L5, S1, S2, S3

Question 13

Common fibular Branch of sciatic N

Answer 13

L4, L5, S1, S2

Question 14

Superior Gluteal Artery supplies?

Answer 14

All the gluteal musces and the tensor fascia latae

Question 15

Inferior gluteal artery supplies?

Answer 15

Gluteus maximus, small lateral rotators and proximal hamstrings

Question 16

Deep femoral artery supplies?

Answer 16

primary supply for the hip joint and hole thigh

Question 17

Femoral artery supplies the?

Answer 17

Leg

Question 18

Patellar reflex

Answer 18

tests the function of the femoral nerve and spinal cord segments L2-L4

if absence or decrease then know as a westphals sign

Question 19

Calcaneal tendon reflex

Answer 19

tests the S1 and S2 nerve roots