Temporal strategy and performance during a fatiguing short-cycle repetitive task

T. Bosch, S.E. Mathiassen, D. Hallman, M.P. de Looze, E. Lyskov, B. Visser, J.H. van Dieen

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    This study investigated temporal changes in movement strategy and performance during fatiguing short-cycle work. Eighteen participants performed six 7-min work blocks with repetitive reaching movements at 0.5 Hz, each followed by a 5.5-min rest break for a total duration of 1 h. Electromyography (EMG) was collected continuously from the upper trapezius muscle, the temporal movement strategy and timing errors were obtained on a cycle-to-cycle basis, and perceived fatigue was rated before and after each work block. Clear signs of fatigue according to subjective ratings and EMG manifestations developed within each work block, as well as during the entire hour. For most participants, timing errors gradually increased, as did the waiting time at the near target. Changes in temporal movement strategy were negatively correlated with changes in the level and variability of EMG, suggesting that an adaptive temporal strategy offset the development of unstable motor solutions in this fatiguing, short-cycle work.Practitioner Summary: Sustained performance of operators is essential to maintain competitiveness. In this study of repetitive work, participants gradually changed their temporal movement strategy, for possibly alleviating the effects of fatigue. This suggests that in order to effectively counteract fatigue and sustain performance, industrial production should allow extensive spatial and temporal flexibility. © 2012 Copyright Taylor and Francis Group, LLC.
    Original languageEnglish
    Pages (from-to)863-873
    JournalErgonomics
    Volume55
    Issue number8
    DOIs
    Publication statusPublished - 2012

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    Electromyography
    Fatigue of materials
    fatigue
    Fatigue
    performance
    Muscle
    industrial production
    Superficial Back Muscles
    competitiveness
    flexibility
    rating

    Cite this

    Bosch, T. ; Mathiassen, S.E. ; Hallman, D. ; de Looze, M.P. ; Lyskov, E. ; Visser, B. ; van Dieen, J.H. / Temporal strategy and performance during a fatiguing short-cycle repetitive task. In: Ergonomics. 2012 ; Vol. 55, No. 8. pp. 863-873.
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    abstract = "This study investigated temporal changes in movement strategy and performance during fatiguing short-cycle work. Eighteen participants performed six 7-min work blocks with repetitive reaching movements at 0.5 Hz, each followed by a 5.5-min rest break for a total duration of 1 h. Electromyography (EMG) was collected continuously from the upper trapezius muscle, the temporal movement strategy and timing errors were obtained on a cycle-to-cycle basis, and perceived fatigue was rated before and after each work block. Clear signs of fatigue according to subjective ratings and EMG manifestations developed within each work block, as well as during the entire hour. For most participants, timing errors gradually increased, as did the waiting time at the near target. Changes in temporal movement strategy were negatively correlated with changes in the level and variability of EMG, suggesting that an adaptive temporal strategy offset the development of unstable motor solutions in this fatiguing, short-cycle work.Practitioner Summary: Sustained performance of operators is essential to maintain competitiveness. In this study of repetitive work, participants gradually changed their temporal movement strategy, for possibly alleviating the effects of fatigue. This suggests that in order to effectively counteract fatigue and sustain performance, industrial production should allow extensive spatial and temporal flexibility. {\circledC} 2012 Copyright Taylor and Francis Group, LLC.",
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    Temporal strategy and performance during a fatiguing short-cycle repetitive task. / Bosch, T.; Mathiassen, S.E.; Hallman, D.; de Looze, M.P.; Lyskov, E.; Visser, B.; van Dieen, J.H.

    In: Ergonomics, Vol. 55, No. 8, 2012, p. 863-873.

    Research output: Contribution to JournalArticleAcademicpeer-review

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    AU - Lyskov, E.

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