Validity and reliability of a portable gait analysis system for measuring spatiotemporal gait characteristics: comparison to an instrumented treadmill

Journal of Neuroengineering and Rehabilitation
Lars DonathAnnegret Mündermann

Abstract

Gait analysis serves as an important tool for clinicians and other health professionals to assess gait patterns related to functional limitations due to neurological or orthopedic conditions. The purpose of this study was to assess the validity of a body-worn inertial sensor system (RehaGait®) for measuring spatiotemporal gait characteristics compared to a stationary treadmill (Zebris) and the reliability of both systems at different walking speeds and slopes. Gait analysis was performed during treadmill walking at different speeds (habitual walking speed (normal speed); 15 % above normal walking speed; 15 % below normal walking speed) and slopes (0 % slope; 15 % slope) in 22 healthy participants twice 1 week apart. Walking speed, stride length, cadence and stride time were computed from the inertial sensor system and the stationary treadmill and compared using repeated measures analysis of variance. Effect sizes of differences between systems were assessed using Cohen's d, and limits of agreement and systematic bias were computed. The RehaGait® system slightly overestimated stride length (+2.7 %) and stride time (+0.8 %) and underestimate cadence (-1.5 %) with small effect sizes for all speeds and slopes (Cohen's d ≤ 0.44) exc...Continue Reading

References

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Citations

Jul 12, 2018·IEEE Reviews in Biomedical Engineering·Delaram JarchiSaeid Sanei
Feb 12, 2017·Frontiers in Human Neuroscience·Isis da Silva CostaPedro Montoya
Sep 8, 2016·Zeitschrift für Gerontologie und Geriatrie·Slavko RoganEling Douwe de Bruin
Jul 18, 2017·Frontiers in Aging Neuroscience·Jennifer SartorWalter Maetzler
Jun 21, 2020·Sensors·Andreas SchicketmuellerGeorg Rose
Feb 17, 2019·Zeitschrift für Gerontologie und Geriatrie·Ulrich Lindemann
Dec 1, 2020·American Journal of Veterinary Research·Kirsten A HäuslerMatthew J Allen
Jul 18, 2020·Gait & Posture·Petros IsmailidisAnnegret Mündermann
Apr 4, 2021·Sensors·Julius WelzelWalter Maetzler
May 1, 2021·Journal of Clinical Medicine·Jorge Posada-OrdaxDavid Rodriguez-Sanz
Nov 22, 2017··Aniket MazumderVineet Vashista

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Software Mentioned

RehaWatch®
GAITRite®
SPSS
RehaGait®

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