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Dual-task cost of the Enhanced Gait Variability Index in community-dwelling older adults by Chad Tiernan; David Schwarz; Allon Goldberg is a Medicine article available to read on EtoBox.

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## Background: Gait variability is associated with brain abnormalities, falls, and disability in older adults. the enhanced gait variability index (egvi), a composite measure of gait variability, offers advantages over traditional measures of variability for individual spatiotemporal parameters (stps). gait assessment under complex conditions may reveal additional information about performance and provide insight into potential abnormalities. the egvi has not been investigated in older adults while performing a concurrent motor task. ## Research question: To examine dual-task cost of the egvi and stps in a sample of community-dwelling older adults. ## Methods: Thirty-eight community-dwelling older adults (mean age = 72.5 years) walked at self-selected speeds on an instrumented walkway under a single-task (st) and a motor dual-task (dt) condition. descriptive statistics were calculated for the egvi, stps included in the egvi, and several other common stps (cadence, stride width, percent double-support). wilcoxon signed-rank tests assessed differences in each gait variable between conditions. dual-task cost (dtc) was calculated for each gait variable. ## Results: Going from st to dt

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Author

Chad Tiernan; David Schwarz; Allon Goldberg

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Medicine (Health Sciences)