Document Detail

The effects of forearm rotation on three wrist measurements: radial inclination, radial height and palmar tilt.
MedLine Citation:
PMID:  16106496     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to evaluate and quantify the effects of forearm rotation on radial inclination, radial height and palmar tilt. Seventeen arms, nine cadaveric and eight volunteer, were examined using a radiolucent device that allowed for the controlled rotation of each arm. Lateral and posterior-anterior X-rays were taken at 5 degrees increments which were then measured by two physicians using standardised protocol. The results revealed that all three measurements were significantly affected by forearm rotation with forearm supination increasing the apparent measurements and forearm pronation decreasing the apparent measurements. This relationship was well characterised by linear trend modelling such that forearm pronation of 10 degrees decreased the apparent radial inclination, radial height and palmar tilt by 2.8 degrees , 1.6 mm and 4.4 degrees , respectively. This study demonstrates that forearm rotation is an important factor in the accurate evaluation of wrist measurements, and that slight rotation of the wrist during radiographic imaging may significantly alter management decisions given established surgical criteria.
Andrew T Pennock; Craig S Phillips; Jonas L Matzon; Elizabeth Daley
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Hand surgery : an international journal devoted to hand and upper limb surgery and related research : journal of the Asia-Pacific Federation of Societies for Surgery of the Hand     Volume:  10     ISSN:  0218-8104     ISO Abbreviation:  Hand Surg     Publication Date:  2005 Jul 
Date Detail:
Created Date:  2005-08-17     Completed Date:  2005-12-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9602613     Medline TA:  Hand Surg     Country:  Singapore    
Other Details:
Languages:  eng     Pagination:  17-22     Citation Subset:  IM    
Department of Orthopedic Surgery, University of Chicago, Chicago, IL, USA.
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MeSH Terms
Forearm / physiology*
Linear Models
Pronation / physiology
Radius / physiology*,  radiography
Range of Motion, Articular / physiology*
Supination / physiology
Wrist Joint / physiology*,  radiography

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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