SHORT HIP LATERAL ROTATORS Flashcards
O: Anterior sacrum through the greater sciatic notch
I: Posteromedial aspect of greater trochanter
A: Hip joint lateral rotation, abduction (flexed 60), medial rotation (flexed greater than 60)
Inn: Sacral plexus nerve
Piriformis
O: Ischial spine
I: Posteromedial aspect of greater trochanter (via obturator internus tendon)
A: Hip joint lateral rotation
Inn: Nerve to obturator internus via sacral plexus
Gemellus Superior
O: Inner obturator foramen
I: Posteromedial aspect of greater trochanter
A: Hip joint lateral rotation
Inn: Sacral plexus nerve
Obturator Internus
O: Ischial tuberosity (superior aspect)
I: Posteromedial aspect of greater trochanter (via obturator internus tendon)
A: Hip joint lateral rotation
Inn: Nerve to quadratus femoris via sacral plexus
Gemellus Inferior
O: Lateral ischial tuberosity
I: Intertrochanteric crest
A: Hip joint lateral rotation
Inn: Nerve to quadratus femoris via sacral plexus
Quadratus Femoris
O: Outer margin of obturator foramen
I: Posteromedial aspect of greater trochanter
A: Hip joint lateral rotation
Inn: Obturator nerve
Obturator Externus