Document Detail

Acceleration-based gait test for healthy subjects: reliability and reference data.
MedLine Citation:
PMID:  19477649     Owner:  NLM     Status:  MEDLINE    
Accelerometers enable us to analyse gait outside conventional gait laboratories. Before these devices can be used in large scale studies and in clinical settings a thorough evaluation of their performance in different populations is required. The aim of this study was to present an acceleration-based reference database for healthy gait. The repeatability and inter-observer reliability of acceleration-based gait analysis was investigated. The sensitivity was tested on different age groups and the effect of gender was studied. A comprehensive set of gait parameters (i.e. cadence, speed, asymmetry and irregularity) were studied in 60 women and 60 men. Basic gait parameters showed high repeatability (VC(cadence) 1.51%, ICC(cadence) 0.996) and inter-observer reliability (ICC(cadence) 0.916), while asymmetry and irregularity showed lower repeatability (VC(asym) 47.88%, ICC(asym) 0.787) and inter-observer reliability (ICC(asym) 0.449). The effects of age and gender on gait parameters were found to be consistent with those reported in studies using other methodologies. These findings and the advantages of the device support the application of AGA for routine clinical use and in daily life.
R Senden; B Grimm; I C Heyligers; H H C M Savelberg; K Meijer
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Publication Detail:
Type:  Journal Article; Validation Studies     Date:  2009-05-27
Journal Detail:
Title:  Gait & posture     Volume:  30     ISSN:  1879-2219     ISO Abbreviation:  Gait Posture     Publication Date:  2009 Aug 
Date Detail:
Created Date:  2009-07-03     Completed Date:  2009-09-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9416830     Medline TA:  Gait Posture     Country:  England    
Other Details:
Languages:  eng     Pagination:  192-6     Citation Subset:  IM    
Atrium Medical Center, Department of Orthopaedics & Traumatology, Heerlen, Henri Dunantstraat 5, Heerlen, P.O. Box 4446, 6401 CX Heerlen, The Netherlands.
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MeSH Terms
Aged, 80 and over
Gait / physiology*
Middle Aged
Monitoring, Ambulatory
Observer Variation
Reference Values
Reproducibility of Results
Sensitivity and Specificity
Sex Factors

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