obturator externus muscle


ob·tu·ra·tor ex·ter·nus mus·cle

(ob-tū-rā'tōr eks-ter'nŭs mŭs'ĕl) 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 obturatorius externus [TA] , external obturator muscle.