Hip Lateral Rotation

Question 1

Gluteus Maximus

Answer 1

O: outer surface of the posterior sacrum, coccyx and the ilium
I: gluteal tuberosity, iliotibial band of the femur
I: inferior gluteal nerve
A: lateral rotation of the thigh, extension of the trunk and the thigh

Question 2

Quadratus Femoris

Answer 2

O: lateral aspect of the ischium just anterior to the ischial tuberosity
I: quadrate tubercle on the antertrochanteric crest of the proximal femur
I: nerve to quadrates femoris
F: laterally rotates femur at the hip joint

Question 3

Obturator Internus

Answer 3

O: anterolateral wall of true pelvis; deep surface of obturator membrane
I: medial side of the greater trochanter
I: nerve to the obturator internus
A: laterally rotates the extended femur joint at the hip

Question 4

Gemellus superior:

Answer 4

O: external surface of ischial spine
I: along the length of the superior surface of the obturator internus tendon and into the medial side of the greater trochanter with obturator internus tendon
I: nerve to the obturator internus
A: laterally rotates the extended femur joint at the hip