ArticleScientific reports2026
Exploring the repeatability of curved gait during an instrumented figure of 8 walk test, a new methodology.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
There is currently no consensus on how to assess curved gait. One of the challenges is to define when a turn begins and ends. Two fundamental characteristics of a turn are the variation in gait speed and the vertical rotational rate of the pelvis. Our study aimed to assess the repeatability of an instrumented figure of eight walk test (F8Wi) by evaluating right and left turns over 3 sessions. Fourteen healthy participants were included. Participants walked barefoot and with shoes, both at comfortable and fast speed. Several points of interest were identified: the start of speed deceleration (A), the start of body rotation (B), the peak angular acceleration (C), the end of body rotation (D), the end of speed acceleration (E). The dependent variables were time intervals between AB, AC, AD, AE, BD, and gait parameters measured during the turn defined by time between A and E: mean sum load from the lumbar inertial measurement unit, mean sum load from the lumbar inertial measurement unit normalised by AE time and mean of the right knee maximum flexion of each step during the turn. The coefficient of variation (CV), standard error of measurement (SEM), minimum detectable change (MDC
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