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Scapulothoracic Joint
Topic updated on
11/27/11 12:09pm
| Introduction |
 Overview
- not a true joint, instead a sliding joint between medial border of scapular and ribs 2-7
- functions to allow scapular motion against the rib cage
- resting position is angled anteriorly at 30° and an upward tilt of 3°
- Motion
- During shoulder abduction the ratio of glenohumeral motion to scapulothoracic motion is 2:1 (GH does 120°, then ST does 60°)
- Stability
- position fixed primarily by scapular muscle attachments
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Posts, Cases, Videos & Groups
Textbooks
- Review of Orthopaedics, 5th Edition, Mark D. Miller (editor), Saunders, an imprint
of Elsevier, Philadelphia, Copyright 2008
- First Aid for the Orthopaedic Boards, Robert Laminzak, Mark Albritton, Trevor Pickering
(Editors), McGraw Hill Medical, Copyright 2009
- Orthopaedic Knowledge Update 9, Jeffrey S Fischgrund (Editor). Published by American
Academy of Orthopaedic Surgeons, Rosemont IL. Copyright 2008
- Hoppenfeld SP. Surgical Exposures in Orthopaedics: The Anatomic Approach. Lipponcott,
Williams, and Wilkins, Philadelphia, PA, Copyright 2009
- OITE Questions, American Academy of Orthopaedic Surgeons, Rosemont IL. Copyright
2004-2010
- Frank H. Netter, John A. Craig. Netter's Concise Atlas of Orthopaedic Anatomy, Icon
Learning Systems, Teterboro, NJ, Copyright 2002