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Journal of Bone and Joint Surgery - British Volume, Vol 87-B, Issue 6, 879-883.
doi: 10.1302/0301-620X.87B6.15543  
Copyright © 2005 by British Editorial Society of Bone and Joint Surgery
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The biomechanical effect of radial shortening on the radiocapitellar articulation

M. Diab, MD, Associate Professor, Chief of Paediatric Orthopaedics; J. M. Poston, BS, Medical Student; P. Huber, BS, Research Assistant; and A. F. Tencer, PhD, Professor

Department of Orthopaedic Surgery, University of California, MU-320W, 500 Parnassus Avenue, San Francisco, California 94143-0728, USA, Department of Orthopaedics and Sports Medicine University of Washington, Harborview Medical Centre MS-359798, 325 Ninth Avenue, Seattle, Washington 98104, USA.

Correspondence should be sent to Dr M. Diab; e-mail: diab{at}orthosurg.ucsf.edu

Repeated trauma to the radial head may be one of the causative factors in the genesis of osteochondritis dissecans of the capitellum. We measured the force, contact area and pressure across the radiocapitellar articulation of the elbow before and after radial shortening osteotomy in five fresh-frozen cadaver upper limbs with loads of 45, 90 and 135 N, respectively. Measurements were made on pressure-sensitive film placed in the radiocapitellar articulation with the forearm in the supinated, neutral and pronated positions before and after radial shortening. Radial shortening significantly reduced the mean force and contact area across the radiocapitellar articulation in all positions of the forearm.




eLetters:

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Letter from Mr Smit and Professor Stanley
A. Adriaan Smit, et al.
J Bone Joint Surg Br Online, 16 Sep 2005 [Full text]
Response to Mr Smit and Professor Stanley from the authors
Mohammad Diab, et al.
J Bone Joint Surg Br Online, 5 Oct 2005 [Full text]

(c) British Editorial Society of Bone and Joint Surgery All Rights Reserved
Registered charity no: 209299     Print ISSN: 0301-620X
Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General