Muscle Atlas
Obturator Externus
Origin: External surface of obturator membrane and anterior bony margins of obturator foramen
Insertion: Posteromedial surface of greater trochanter of femur
Action: Rotates the thigh laterally; also helps adduct thigh
Innervation: Posterior division of obturator nerve innervates most of the adductor magnus; vertical or hamstring portion innervated by tibial nerve
Arterial Supply: Obturator and medial circumflex femoral arteries
The medical illustrations contained in this online atlas are copyrighted © 1997 by the University of Washington. They may not be utilized, reproduced, stored, or transmitted in any form or by any means, electronic or mechanical, or by any information storage or retrieval system, without permission in writing from the University of Washington.
Receiving a license to use these images is generally quite easy, particularly for academic and scholarly purposes. For more information see the Musculoskeletal Atlas Express Licensing Page.
Insertion: Posteromedial surface of greater trochanter of femur
Action: Rotates the thigh laterally; also helps adduct thigh
Innervation: Posterior division of obturator nerve innervates most of the adductor magnus; vertical or hamstring portion innervated by tibial nerve
Arterial Supply: Obturator and medial circumflex femoral arteries
The medical illustrations contained in this online atlas are copyrighted © 1997 by the University of Washington. They may not be utilized, reproduced, stored, or transmitted in any form or by any means, electronic or mechanical, or by any information storage or retrieval system, without permission in writing from the University of Washington.
Receiving a license to use these images is generally quite easy, particularly for academic and scholarly purposes. For more information see the Musculoskeletal Atlas Express Licensing Page.