Document Detail

The effect of speed and gradient on hyperextension of the equine carpus.
MedLine Citation:
PMID:  16427594     Owner:  NLM     Status:  MEDLINE    
The equine carpus has a well-defined limit to joint extension at approximately 180 degrees . During locomotion however, the carpus hyperextends during stance phase. Hyperextension is resisted by the carpal bones and ligaments, and it has been proposed that large increased hyperextension might relate to potentially damaging stress levels in the carpus. The aim of this study was to investigate the relationship between peak hyperextension of the carpus (PCE) and speed during locomotion on the level and on an incline. Five Thoroughbred horses were exercised on a treadmill at speeds between 1.8 and 10 m/s at 0% and +7.5% gradients. PCE was obtained using optical motion capture and linear regression used to describe the relationship between PCE and speed on each gradient. PCE increased linearly with speed during locomotion. The rate of increase was greater on a +7.5% gradient. The fit of the regression equations was increased considerably by subtracting standing carpal angle from PCE during locomotion.
Jeremy F Burn; Benjamin Portus; Caroline Brockington
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Publication Detail:
Type:  Journal Article     Date:  2004-12-10
Journal Detail:
Title:  Veterinary journal (London, England : 1997)     Volume:  171     ISSN:  1090-0233     ISO Abbreviation:  Vet. J.     Publication Date:  2006 Jan 
Date Detail:
Created Date:  2006-01-23     Completed Date:  2006-05-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9706281     Medline TA:  Vet J     Country:  England    
Other Details:
Languages:  eng     Pagination:  169-71     Citation Subset:  IM    
Department of Anatomy, University of Bristol, Southwell Street, Bristol BS2 8EJ, UK.
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MeSH Terms
Carpus, Animal / physiology*
Gait / physiology*
Horses / physiology*
Locomotion / physiology*
Range of Motion, Articular / physiology*

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