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Evaluation of the Effects of Prescribing Gait Complexity Using Several Fluctuating Timing Imperatives
Authors:Jeevaka B Kiriella  Vincenzo E Di Bacco  Kristen L Hollands  William H Gage
Institution:1. School of Kinesiology and Health Science, York University, Toronto, Ontario, Canada.;2. Neuroscience Graduate Diploma Program, School of Kinesiology and Health Science, York University, Toronto, Ontario, Canada.jeev21@yorku.ca;4. Neuroscience Graduate Diploma Program, School of Kinesiology and Health Science, York University, Toronto, Ontario, Canada.;5. University of Salford, School of Health Sciences, Salford, UK.
Abstract:Abstract

Variability in the temporal structure of gait patterns, measured by “Fractal Index” (FI), is thought to represent abundancy of movement patterns facilitating adaptive control of walking. However we do not know how FI changes according to different walking rhythms or if this is repeatable, as needed to exploit the paradigm for rehabilitation. Fourteen healthy young adults synchronised heel contact to an auditory metronome twice each in four conditions (uncued, white noise, pink noise, and red noise) and three sessions. FI differed based on the walking condition while no effect of session was revealed. The results of this study suggest gait fractality changes systematically with different stimuli and can be consistently prescribed in a desired direction within a group of healthy young individuals.
Keywords:gait  complexity  fractals  adaptability
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