An expert system feedback tool improves the reliability of clinical gait kinematics for older adults with lower limb osteoarthritis.

Gait Posture

Faculty of Kinesiology, University of Calgary, 2500 University Dr NW, Calgary, AB T2N 1N4, Canada; Running Injury Clinic, Calgary, Canada; Faculty of Nursing, University of Calgary, Calgary, Canada. Electronic address:

Published: October 2017

AI Article Synopsis

  • An expert system was created to enhance the reliability of marker-based gait analysis for examiners.
  • The study evaluated how effective this feedback tool was in improving gait analysis for individuals with lower limb osteoarthritis.
  • Results showed that using the feedback tool led to better reliability in the data collected during the three-dimensional gait analysis of 27 individuals.

Article Abstract

Recently, an expert system was developed to provide feedback to examiners with the aim of improving reliability of marker-based gait analysis. The purpose of the current study was to evaluate the effectiveness of this novel feedback tool in improving the reliability of gait analysis for individuals with lower limb osteoarthritis. Three-dimensional gait analysis was conducted for n=27 individuals, at two different time points, and during each session the feedback tool was used to refine marker placement. Results for both discrete variables and support vector machine classifications demonstrated improved reliability of the data with the feedback tool.

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http://dx.doi.org/10.1016/j.gaitpost.2017.08.011DOI Listing

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