Muscle Atlas
Opponens Pollicis
Origin: Flexor retinaculum and tubercles of scaphoid and trapezium
Insertion: Lateral side of 1st metacarpal
Action: Draws 1st metacarpal laterally to oppose thumb toward center of palm and rotates it medially
Innervation: Recurrent branch of median nerve (C8 and T1)
Arterial Supply: Superficial palmar branch of the radial artery
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: Lateral side of 1st metacarpal
Action: Draws 1st metacarpal laterally to oppose thumb toward center of palm and rotates it medially
Innervation: Recurrent branch of median nerve (C8 and T1)
Arterial Supply: Superficial palmar branch of the radial artery
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.