Influence of normative data's walking speed on the computation of conventional gait indices

Journal of Biomechanics
Céline SchreiberFlorent Moissenet

Abstract

The pathology's impact on gait pattern may be overestimated by conventional gait indices (Gillette Gait Index - GGI, Gait Deviation Index - GDI, Gait Profile Score - GPS), since impairments' consequences on kinematics may be amplified by a change in walking speed. The objectives of this study were to evaluate the influence of walking speed on the computation of gait indices and to propose a corrective method to cancel the effects of walking speed. Spatiotemporal parameters and kinematics of fifty-four asymptomatic participants (30 M/24 W, 37.9 ± 13.7 years, 72.8 ± 13.3 kg, 1.74 ± 0.10 m) were collected at four speed conditions (C1:[0,0.4] m s-1, C2:[0.4,0.8] m s-1, C3:[0.8,1.2] m s-1, C4:spontaneous). Four values of each index were computed for each trial using successively the four conditions as normative data repository. Mean values over all participants were statistically compared (paired t-tests, 95% confidence level). Indices values computed with normative at equivalent walking speed were not statistically different from reference values. Meanwhile, deviations appeared when the walking speed discrepancy between conditions and normative increased. These drifts related to walking speed mismatch have been quantified and fitti...Continue Reading

Citations

Jul 4, 2019·Scientific Reports·Florent MoissenetStéphane Armand
Dec 5, 2019·Eating and Weight Disorders : EWD·Veronica CimolinPaolo Capodaglio
Jan 1, 2020·The Journal of Knee Surgery·Hermes H MiozzariAlice Bonnefoy-Mazure
Nov 11, 2021·The European Journal of Neuroscience·Júlia Ávila de OliveiraDaniel Boari Coelho

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