Does dual‐tasking affect the ability to generate anticipatory postural adjustments in young adults?
The aim of this study was to investigate how additional cognitive tasks (Stroop test and counting backwards task) influence young adults' ability to generate appropriate postural responses while standing on a continuously oscillating platform. Twenty young adults (25.95 ± 2.97 years) stood on a movi...
| Publicado en: | European Journal of Sport Science Vol. 24; no. 5; pp. 623 - 634 |
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| Autores principales: | , , |
| Formato: | pictorial research tables/charts Journal Article |
| Publicado: |
Wiley-Blackwell
May2024
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=176934462&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 176934462 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 17461391 IX3 jtl: European Journal of Sport Science issn: 17461391 maglogo: Y pubinfo: dt: May2024 vid: 24 iid: 5 pid: 480 pub: Wiley-Blackwell place: Malden, Massachusetts artinfo: ui: 176934462 176077428 176934462 176934462 10.1002/ejsc.12083 176934462 ppf: 623 ppct: 11 formats: tig: atl: Does dual‐tasking affect the ability to generate anticipatory postural adjustments in young adults? aug: au: Vazaka, Angeliki Franklin, Zoe Mills, Richard affil: Department of Sport and Exercise Sciences, Faculty of Science & Engineering, Manchester Metropolitan University, Manchester, UK sug: subj: Task Performance and Analysis In Adulthood Multitasking Behavior Movement Physical Activity Standing Cognition Human Adult Electromyography Balance, Postural Physiology Biomechanics Gastrocnemius Muscle Physiology Hamstring Muscles Physiology Adult: 19-44 years ab: The aim of this study was to investigate how additional cognitive tasks (Stroop test and counting backwards task) influence young adults' ability to generate appropriate postural responses while standing on a continuously oscillating platform. Twenty young adults (25.95 ± 2.97 years) stood on a moving platform which was translated in the anterior–posterior direction at three different frequencies (0.10, 0.25 and 0.50 Hz) in three dual‐task conditions (counting backwards task, a Stroop task or no additional cognitive task). Postural muscle onset latencies and tonic activity levels of the leg muscles were measured through surface electromyography; the number of steps taken and cognitive errors made were recorded. Results showed no significant differences in muscle activity between dual and single‐tasking conditions nor between the two dual tasking conditions. Cognitive errors were made in the counting backwards task but not the Stroop task. A frequency effect was identified with participants showing greater tonic activity in rectus femoris (p = 0.012), gastrocnemius medialis (p = 0.016) and bicep femoris (p = 0.043) at 0.5 Hz, as well as earlier muscle activation in tibialis anterior, gastrocnemius medialis and bicep femoris (p < 0.001) at 0.50 Hz. Transition and steady state muscle onset latencies were only significantly different for gastrocnemius medialis at 0.25 Hz (p = 0.001). Dual tasking did not seem to influence anticipatory postural adjustments in young adults; however, perturbation intensities did. The differences observed in the number of cognitive errors made could be indicative of the regional cortical activations and overlapping demand for resources interfering with balance control, though cortical activation was not recorded. Future research should include detailed cognitive behavior, including cortical activations and task reaction times to better understand the allocation of attentional resources during perturbed balance dual tasking. Highlights: Directionally specific muscle onset latencies in the tibialis anterior, gastrocnemius medialis and bicep femoris were triggered sooner at 0.50 Hz than in the other lower frequencies.Postural responses were largely unchanged between single and dual tasking, suggesting that for young adults, dual‐tasking appears to have no more strength to alter postural control responses than altered support surface stability alone.Only the counting backwards dual‐task condition elicited cognitive errors, suggesting a potential overlapping demand for resource allocation between tasks, though this will need to be confirmed in future work with observation of cortical activation (e.g., through EEG or fNIRS) pubtype: Academic Journal doctype: pictorial research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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