Lumbar Plexus

Question 1

Nerves Lateral to Posaos Major

Answer 1

Illiohypogastric L1
Illioinguinal L1
Lateral Cuteanous Nerve of the Thigh L2,3
Femoral Nerve L2,3,4

Question 2

Anterior to Psoas Major

Answer 2

Genitofemoral L1,2

Question 3

Medially to Psoas Major

Answer 3

Obturartor Nerve L2,3,4
Acessory Obutrator Nerve L3,4 (when present)
Lumbosacral trunk L4,L5

Question 4

Illiohypogastric Nerve L1

Answer 4

supplies skin of suprapubic region

Question 5

Illioinguinal Nerve L1

Answer 5

skin of inguinal region

Question 6

Latereal Cutaneous Nerve of Thigh

Answer 6

passes infrolaterally over the illiacus & posterior to inguinal ligamnet (impingement point)
Lateral thihg region

Question 7

Femoral Nerve L2,3,4,

Answer 7

Deep to inguinal ligament into anterior thigh

Question 8

Anteriro