Regulation of locomotor pointing across the lifespan: Investigating age-related influences on perceptual-motor coupling

PloS One
Steven van AndelGert-Jan Pepping

Abstract

The regulation of one's step length by placing one's foot at a specific position within gait, otherwise known as 'locomotor pointing', is well understood in walking and running gait. The current study was the first to broaden this understanding to a larger cohort and to describe the influence of age on the regulation of locomotor pointing when walking up to and stepping onto a curb-like platform. Younger (n = 17, mean age: 25.35 years, range: 19-33) and older adults (n = 105, mean age: 71.49 years, range: 61-86) participated in a walking experiment, requiring them to approach and step onto a curb-like platform. Linear mixed effects modeling was used to study the main outcome variables: onset of regulation, the regulation strategy and the strength of perceptual-motor coupling. Results showed that with older age, participants showed less variability in foot placement during their approach and seemed to prefer to shorten their steps. Furthermore, the strength of the perceptual-motor relationship was found to be related to age; regulation of step length of both younger and older participants was based on a participant's current foot position. The strength of this relationship increased as participants got closer to the curb and was...Continue Reading

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Dec 15, 2017·Gait & Posture·Steven van AndelGert-Jan Pepping

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Citations

Aug 31, 2018·Journal of Aging and Physical Activity·Steven van AndelGert-Jan Pepping
Oct 23, 2019·Frontiers in Behavioral Neuroscience·Steven van AndelGert-Jan Pepping
Jan 13, 2022·Aging Clinical and Experimental Research·Anna CronströmMark W Creaby

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Software Mentioned

OnsetReg
MATLAB
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