Lumbar Terminal Nerves

Question 1

Iliohypogastric Sensory

Answer 1

Posterolateral gluteal region and T12/L1 dermatomal region of pubis

Question 2

Iliohypogastric Motor

Answer 2

Internal oblique and transverse Abdominus

Question 3

Ilioinguinal sensory

Answer 3

Upper medial thigh

Base of external genitalia

Question 4

Ilioinguinal Motor

Answer 4

Internal Oblique and Transversus Abdominus

Question 5

Genitofemoral Genital Branch Sensory

Answer 5

Overlapping sensation with ilioinguinal (base of external genitalia)

Question 6

Genitofemoral Genital Branch Motor

Answer 6

Cremasteric muscle and skin on upper and anterior sacrum (Male only)

Question 7

Genitofemoral Femoral branch sensory

Answer 7

Under inguinal ligament to anterior medial thigh (cutaneous)

Question 8

Lateral Femoral Cutaneous

Answer 8

Goes directly to ASIS

Sensory innervation to lateral thigh/knee

Question 9

Femoral Nerve Sensory

Answer 9

Anterior Central Thigh

Anterior Medial Shank via the Saphenous nerve

Question 10

Femoral Nerve Motor

Answer 10

Quadriceps muscles
Iliacus
Pectineus
Sartorius

Question 11

Obturator Nerve sensory

Answer 11

Medial upper thigh

Hip joint

Question 12

Obturator nerve motor

Answer 12

Obturator externus
Pectineus (dual with femoral)
Adductors (Longus, Brevis, 1/2 Magnus)
Gracilis