Postural Control in Dual-Task Situations: Does Whole-Body Fatigue Matter?

PloS One
Rainer BeurskensUrs Granacher

Abstract

Postural control is important to cope with demands of everyday life. It has been shown that both attentional demand (i.e., cognitive processing) and fatigue affect postural control in young adults. However, their combined effect is still unresolved. Therefore, we investigated the effects of fatigue on single- (ST) and dual-task (DT) postural control. Twenty young subjects (age: 23.7 ± 2.7) performed an all-out incremental treadmill protocol. After each completed stage, one-legged-stance performance on a force platform under ST (i.e., one-legged-stance only) and DT conditions (i.e., one-legged-stance while subtracting serial 3s) was registered. On a second test day, subjects conducted the same balance tasks for the control condition (i.e., non-fatigued). Results showed that heart rate, lactate, and ventilation increased following fatigue (all p < 0.001; d = 4.2-21). Postural sway and sway velocity increased during DT compared to ST (all p < 0.001; d = 1.9-2.0) and fatigued compared to non-fatigued condition (all p < 0.001; d = 3.3-4.2). In addition, postural control deteriorated with each completed stage during the treadmill protocol (all p < 0.01; d = 1.9-3.3). The addition of an attention-demanding interference task did not fu...Continue Reading

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Citations

Oct 23, 2018·Frontiers in Psychology·Denise N StephanIring Koch
Mar 30, 2018·Frontiers in Psychology·Rainer KissThomas Muehlbauer
Aug 23, 2018·Frontiers in Psychology·Marie-Therese Fleddermann, Karen Zentgraf
Jan 15, 2021·Innovation in Aging·Sharon W RennerNancy W Glynn
Sep 4, 2021·Perceptual and Motor Skills·Dean L SmithJulie M Cousins

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Software Mentioned

PAR
Statistical Package for Social Sciences ( SPSS )

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