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

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  • Rainer Beurskens
  • Matthias Haeger
  • Reinhold Kliegl
  • Kai Roecker
  • Urs 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

Suggested Citation

  • Rainer Beurskens & Matthias Haeger & Reinhold Kliegl & Kai Roecker & Urs Granacher, 2016. "Postural Control in Dual-Task Situations: Does Whole-Body Fatigue Matter?," PLOS ONE, Public Library of Science, vol. 11(1), pages 1-15, January.
    • Handle: RePEc:plo:pone00:0147392
    DOI: 10.1371/journal.pone.0147392
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