Obturator nerve

Question 1

What are the nerve roots of the obturator nerve?

Answer 1

L2, L3, L4

Question 2

What does the obturator nerve pass through after it emerges from the lumbar plexus?

Answer 2

Psoas major

Question 3

Where does the obturator nerve emerge from the psoas major?

Answer 3

Medial to psoas major

Question 4

Where does the obturator nerve travel after emerging medially to psoas major?

Answer 4

Posteriorly to common iliac arteries

Laterally along pelvic wall to obturator foramen

Question 5

What does the obturator nerve do at the obturator foramen?

Answer 5

Passes through gap in obturator membrane

Enters thigh

Question 6

What does the obturator nerve do in the thigh?

Answer 6

Divides
innervates muscles
pierces fascia lata to become cutaneous branch

Question 7

What is the sensory function of the obturator nerve?

Answer 7

Middle medial thigh

Question 8

What are the motor functions of the obturator nerve?

Answer 8

Medial thigh muscles

only adductor part of adductor magnus