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Deep Hip Rotator
Deep Hip Rotator Muscles
| Muscle Name | Origin | Insertion | Function |
|---|---|---|---|
| Inferior Gemellus | upper ischial tuberosity | greater trochanter of femur | lateral rotation of hip |
| Quadratus Femoris | superior portion of the lateral surface of the ischial tuberosity | greater trochanter of femur | lateral rotation of hip |
| Piriformis | anterior surface of sacrum | greater trochanter of femur | lateral rotation of extended thigh, abducts a flexed thigh. Note: This muscle passes thru the greater sciatic notch |
| Obturator Externus | Obturator foramen | greater trochanter of femur | lateral rotation of hip, abducts a flexed thigh |
| Obturator internus | obturator foramen | greater trochanter of femur | lateral rotation of hip |
| Superior Gemellus | dorsal ischial spine | greater trochanter of femur | lateral rotation of hip |