Gluteal Lateral Rotators Flashcards
Piriformis origin
Anterior sacrum
Sacrotuberous ligament
Piriformis insertion
Superior border of greater trochanter
Piriformis action
Laterally rotate thigh
abduct thigh when flexed
stability
Piriformis nerve
Nerve to piriformis
Obturator externus origin
Obturator foramen and membrane(lateral)
Obturator externus insertion
Medial greater trochanter
Obturator externus action
Laterally rotate thigh
Obturator externus nerve
Obturator N.
Quadratus femoris origin
Ischeal tuberosity
Quadratus femoris insertion
Intertrochanteric crest
Quadratus femoris action
Laterally rotate thigh
Stability
Quadratus femoris nerve
Nerve to Quadratus femoris and inferior gemellus
Superior gemellus origin
Spine of ischium
Superior gemellus insertion
Medial greater trochanter (obturator internus tendon)
Superior gemellus action
Laterally rotate thigh
Abduct thigh when flexed
Stability
Superior gemellus nerve
Nerve to obturator internus and superior gemellus
Obturator internus origin
Obturator foramen and membrane (medial)
Obturator internus insertion
Medial greater trochanter
Obturator internus action
Laterally rotate thigh
Abduct thigh when flexed
Stability
Obturator internus nerve
Nerve to obturator internus and superior gemellus
Inferior gemellus origin
Ischeal tuberosity
Inferior gemellus insertion
Medial greater trochanter (obturator internus tendon)
Inferior gemellus action
Laterally rotate thigh
Abduct thigh when flexed
Stability
Inferior gemellus nerve
Nerve to Quadratus femoris and inferior gemellus
