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Effects of Motor and Cognitive Dual-Task Demands on Ankle Dorsiflexor and Plantarflexor Force Control in Older Adults.

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Title: Effects of Motor and Cognitive Dual-Task Demands on Ankle Dorsiflexor and Plantarflexor Force Control in Older Adults.
Authors: Ishizaka, Riku, Nojima, Ippei, Ishida, Kazuto, Sugiura, Hideshi, Takahashi, Aoki, Minami, Kodai, Watanabe, Tatsunori
Source: Experimental Aging Research. May/Jun2025, Vol. 51 Issue 3, p377-392. 16p.
Subjects: Dorsiflexion, Task performance, Data analysis, Research funding, Questionnaires, Descriptive statistics, Psychology of movement, Electromyography, Analysis of variance, Statistics, Plantarflexion, Ankle joint, Data analysis software, Cognition, Muscle contraction, Postural balance, Old age
Abstract: Background: Force steadiness can be impaired under dual-task conditions in older adults. Since this impairment is attributed to their limited attentional resources, we hypothesized that the degree of cortical activity involved in muscle contraction would affect force steadiness under dual-task conditions. To test this hypothesis, based on the premise that dorsiflexion requires more cortical resources than plantarflexion, we compared the effects of additional motor and cognitive task demands on force steadiness between dorsiflexion and plantarflexion contractions in young and older adults. Method: Eighteen young and eighteen older adults performed a force tracking task by applying either isometric dorsiflexion or plantarflexion force concurrently with and without (control) secondary upper-limb motor or cognitive task. Results: Force steadiness was impaired by both secondary upper-limb motor and cognitive tasks for the dorsiflexors and plantarflexors in older adults. While force steadiness was impaired similarly by additional task demands regardless of the secondary task type for the dorsiflexors, the impairment effect was larger in the secondary cognitive than motor task for the plantarflexors. Conclusion: The effects of dual-task demand on force steadiness could depend on the degree of cortical activity involved in muscle contraction in older adults. [ABSTRACT FROM AUTHOR]
Copyright of Experimental Aging Research is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Label: Title
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  Data: Effects of Motor and Cognitive Dual-Task Demands on Ankle Dorsiflexor and Plantarflexor Force Control in Older Adults.
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  Data: <searchLink fieldCode="AR" term="%22Ishizaka%2C+Riku%22">Ishizaka, Riku</searchLink><br /><searchLink fieldCode="AR" term="%22Nojima%2C+Ippei%22">Nojima, Ippei</searchLink><br /><searchLink fieldCode="AR" term="%22Ishida%2C+Kazuto%22">Ishida, Kazuto</searchLink><br /><searchLink fieldCode="AR" term="%22Sugiura%2C+Hideshi%22">Sugiura, Hideshi</searchLink><br /><searchLink fieldCode="AR" term="%22Takahashi%2C+Aoki%22">Takahashi, Aoki</searchLink><br /><searchLink fieldCode="AR" term="%22Minami%2C+Kodai%22">Minami, Kodai</searchLink><br /><searchLink fieldCode="AR" term="%22Watanabe%2C+Tatsunori%22">Watanabe, Tatsunori</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Experimental+Aging+Research%22">Experimental Aging Research</searchLink>. May/Jun2025, Vol. 51 Issue 3, p377-392. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Dorsiflexion%22">Dorsiflexion</searchLink><br /><searchLink fieldCode="DE" term="%22Task+performance%22">Task performance</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis%22">Data analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Research+funding%22">Research funding</searchLink><br /><searchLink fieldCode="DE" term="%22Questionnaires%22">Questionnaires</searchLink><br /><searchLink fieldCode="DE" term="%22Descriptive+statistics%22">Descriptive statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Psychology+of+movement%22">Psychology of movement</searchLink><br /><searchLink fieldCode="DE" term="%22Electromyography%22">Electromyography</searchLink><br /><searchLink fieldCode="DE" term="%22Analysis+of+variance%22">Analysis of variance</searchLink><br /><searchLink fieldCode="DE" term="%22Statistics%22">Statistics</searchLink><br /><searchLink fieldCode="DE" term="%22Plantarflexion%22">Plantarflexion</searchLink><br /><searchLink fieldCode="DE" term="%22Ankle+joint%22">Ankle joint</searchLink><br /><searchLink fieldCode="DE" term="%22Data+analysis+software%22">Data analysis software</searchLink><br /><searchLink fieldCode="DE" term="%22Cognition%22">Cognition</searchLink><br /><searchLink fieldCode="DE" term="%22Muscle+contraction%22">Muscle contraction</searchLink><br /><searchLink fieldCode="DE" term="%22Postural+balance%22">Postural balance</searchLink><br /><searchLink fieldCode="DE" term="%22Old+age%22">Old age</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Background: Force steadiness can be impaired under dual-task conditions in older adults. Since this impairment is attributed to their limited attentional resources, we hypothesized that the degree of cortical activity involved in muscle contraction would affect force steadiness under dual-task conditions. To test this hypothesis, based on the premise that dorsiflexion requires more cortical resources than plantarflexion, we compared the effects of additional motor and cognitive task demands on force steadiness between dorsiflexion and plantarflexion contractions in young and older adults. Method: Eighteen young and eighteen older adults performed a force tracking task by applying either isometric dorsiflexion or plantarflexion force concurrently with and without (control) secondary upper-limb motor or cognitive task. Results: Force steadiness was impaired by both secondary upper-limb motor and cognitive tasks for the dorsiflexors and plantarflexors in older adults. While force steadiness was impaired similarly by additional task demands regardless of the secondary task type for the dorsiflexors, the impairment effect was larger in the secondary cognitive than motor task for the plantarflexors. Conclusion: The effects of dual-task demand on force steadiness could depend on the degree of cortical activity involved in muscle contraction in older adults. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Experimental Aging Research is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/0361073X.2024.2406172
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 16
        StartPage: 377
    Subjects:
      – SubjectFull: Dorsiflexion
        Type: general
      – SubjectFull: Task performance
        Type: general
      – SubjectFull: Data analysis
        Type: general
      – SubjectFull: Research funding
        Type: general
      – SubjectFull: Questionnaires
        Type: general
      – SubjectFull: Descriptive statistics
        Type: general
      – SubjectFull: Psychology of movement
        Type: general
      – SubjectFull: Electromyography
        Type: general
      – SubjectFull: Analysis of variance
        Type: general
      – SubjectFull: Statistics
        Type: general
      – SubjectFull: Plantarflexion
        Type: general
      – SubjectFull: Ankle joint
        Type: general
      – SubjectFull: Data analysis software
        Type: general
      – SubjectFull: Cognition
        Type: general
      – SubjectFull: Muscle contraction
        Type: general
      – SubjectFull: Postural balance
        Type: general
      – SubjectFull: Old age
        Type: general
    Titles:
      – TitleFull: Effects of Motor and Cognitive Dual-Task Demands on Ankle Dorsiflexor and Plantarflexor Force Control in Older Adults.
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            NameFull: Nojima, Ippei
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            NameFull: Ishida, Kazuto
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            NameFull: Takahashi, Aoki
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            NameFull: Minami, Kodai
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            – D: 01
              M: 05
              Text: May/Jun2025
              Type: published
              Y: 2025
          Identifiers:
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              Value: 0361073X
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              Value: 51
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            – TitleFull: Experimental Aging Research
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