obturator externus (muscle)
(redirected from musculus obturator externus)ob·tu·ra·tor ex·ter·nus (mus·cle)
[TA]muscle of medial (adductor) compartment of thigh; origin, lower half of margin of obturator foramen and adjacent part of external surface of obturator membrane; insertion, trochanteric fossa of greater trochanter; action, rotates thigh laterally; nerve supply, obturator.
Synonym(s): musculus obturator externus [TA], external obturator muscle