Control of human locomotion under various task constraints
Exp Brain Res. 2002-01-29; 143(1): 133-136
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1. Exp Brain Res. 2002 Mar;143(1):133-6. Epub 2002 Jan 29.
Control of human locomotion under various task constraints.
Montagne G(1), Buekers M, de Rugy A, Camachon C, Laurent M.
(1)UMR Mouvement et Perception, Faculté des Sciences du Sport, Université de la
Méditerranée et CNRS, 163 Avenue de Luminy CP 910, 13288 Marseille Cédex 9,
The goal of this study was to identify the control mechanism used for locomotion
pointing regulation under different external temporal constraints. Subjects (
n=8) had to walk on a treadmill through a number of virtual hallways and cross a
pair of gliding doors that opened and closed at a constant preset frequency (0.5
Hz or 1 Hz). Crossing performance, step durations, and step lengths were used as
dependent measures. The results revealed the regulation of locomotion occurred
earlier and was more pronounced at 0.5 Hz than at 1 Hz, making performance better
at 0.5 Hz. Nevertheless at the two frequencies the control mechanism appears
similar; it is grounded on information movement coupling. This control mechanism
allows for the production of specific behavior according to the task constraints.
PMID: 11907700 [Indexed for MEDLINE]