Deep Hip Rotator Muscles

Question 1

Deep Hip Rotator Muscles

People
Sometimes
Order
Icky 
Quesadillas
Overnight

Answer 1

Piriformis, Superior Gemellus, Obturator Internus, Inferior Gemellus, Quadratus Femoris, Obturator Externus

Question 2

Piriformis OIFIn

Answer 2

O: Anterior sacrum, posterior iliac spine
I: Medial side of superior border of greater trochanter
F: Lateral rotation of extended thigh, abducts flexed thigh
In: Nerve to piriformis

Question 3

Superior Gemellus OIFIn

Answer 3

O: Dorsal surface of ischial spine
I: Joins upper edge of obturator internus tendon to medial surface of greater trochanter
F: Lateral rotation of hip, helps abducts a flexed thigh
In: nerve to obturator internus

Question 4

Obturator internus OIFIn

Answer 4

O: Internal surface of obturator membrane, pelvic brim
I: Anterior medial surface of greater trochanter
F: Lateral rotation of hip, abduction of flexed thigh
In: Nerve to obturator internus

Question 5

Inferior Gemellus OIFIn

Answer 5

O: Upper portion of ischial tuberosity near lesser sciatic notch
I: Joins inferior edge of obturator internus tendon to medial surface of greater trochanter of femur
F: Lateral rotation of hip
In: Nerve to quaratus femoris

Question 6

Quadratus Femoris OIFIn

Answer 6

O: Superior portion of lateral ischial tuberosity
I: Above trochanteric crest on posterior femur
F: Lateral rotation of hip
In: Nerve to quadratus femoris

Question 7

Obturator Externus OIFIn

Answer 7

O: Medial 2/3 of obturator membrane and pubic body and pubic/ischial rami
I: Trochanteric fossa on medial side of greater trochanter
F: Lateral rotation of hip, abducts flexed thigh
In: Obturator nerve