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Res Q Exerc Sport. 2008 Dec;79(4):487-94.

Gait transitions of persons with and without intellectual disability.

Author information

  • 1Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Rehabilitation Education Center, 61820, USA. agiovlas@uiuc.edu

Abstract

This study examined whether the walk-to-run transition speed (W-RTS) and the run-to-walk transition speed (R-WTS) were different or more variable between participants with and without intellectual disability (ID). Nine adults with ID and 10 adults without ID completed in a series of walk-to-run and run-to-walk trials on a treadmill. W-RTS and R-WTS were identified using force-sensitive resistors. When transition speeds were expressed as Froude numbers to account for differences in leg length, W-RTS was slower and intraindividual variability of W-RTS and R-WTS was greater in participants with ID. These findings support the idea that the unique constraints of individuals with ID result in altered attractor dynamics for walking and a weaker coupling between locomotor speed and order parameters governing gait transitions.

PMID:
19177950
DOI:
10.1080/02701367.2008.10599515
[PubMed - indexed for MEDLINE]
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