Muscle Atlas
Latissimus Dorsi
Origin: Spinous processes of inferior 6 thoracic vertebrae, thoracolumbar fascia, iliac crest, and inferior 3 or 4 ribs
Insertion: Floor of intertubercular groove of humerus
Action: Extends, adducts, and medially rotates humerus; raises body toward arms during climbing
Innervation: Thoracodorsal nerve (C6, C7, and C8)
Arterial Supply: Thoracodorsal 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: Floor of intertubercular groove of humerus
Action: Extends, adducts, and medially rotates humerus; raises body toward arms during climbing
Innervation: Thoracodorsal nerve (C6, C7, and C8)
Arterial Supply: Thoracodorsal 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.