Document Detail

Intra-rater and inter-rater reliability of gait measurements with CODA mpx30 motion analysis system.
MedLine Citation:
PMID:  12535727     Owner:  NLM     Status:  MEDLINE    
Variations between measurements of clinical outcomes sometimes result from observer errors and are not due to the therapeutic intervention. For the correct interpretation of clinical data it is, therefore, important to ascertain the reliability of the measurement methods used. In the present study we evaluated the test-retest and between observer reliability of gait measurements with the Cartesian Optoelectronic Dynamic Anthropometer (CODA mpx30) motion analysis system. Our findings suggest a better intra-rater and inter-rater reliability of kinetic than kinematic data. Disagreements between the investigators were most marked for the kinematic data, especially the hip angle, and disagreements were least for the spatio-temporal gait parameters. The poor reproducibility of kinematic variables may be due to problems with the accurate placement of markers on the surface anatomical landmarks.
V Maynard; A M O Bakheit; J Oldham; J Freeman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Gait & posture     Volume:  17     ISSN:  0966-6362     ISO Abbreviation:  Gait Posture     Publication Date:  2003 Feb 
Date Detail:
Created Date:  2003-01-21     Completed Date:  2003-06-10     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9416830     Medline TA:  Gait Posture     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  59-67     Citation Subset:  IM    
Plymouth Institute of Health Studies, Plymouth, UK.
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MeSH Terms
Gait / physiology*
Image Processing, Computer-Assisted / instrumentation*
Leg / physiology
Observer Variation
Reproducibility of Results

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