Muscle Atlas
Infraspinatus
Origin: Infraspinous fossa of scapula
Insertion: Middle facet on greater tuberosity of humerus
Action: Laterally rotate arm; helps to hold humeral head in glenoid cavity of scapula
Innervation: Suprascapular nerve (C5 and C6)
Arterial Supply: Suprascapular and circumflex scapular 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: Middle facet on greater tuberosity of humerus
Action: Laterally rotate arm; helps to hold humeral head in glenoid cavity of scapula
Innervation: Suprascapular nerve (C5 and C6)
Arterial Supply: Suprascapular and circumflex scapular 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.