obturator internus

Question 1

obturator internus position

Answer 1

internal pelvic cavity

Question 2

obturator internus origin

Answer 2

internal surface obturator membrane & surrounding bony margin

Question 3

obturator internus insertion

Answer 3

medial surface of the greater trochanter of the femur

Question 4

obturator internus actions

Answer 4

lateral rotation of the hip

Question 5

obturator internus function

Answer 5

stabilisation of the hip

Question 6

obturator internus nerve supply

Answer 6

nerve to obturator internus L5, S1, S2