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Temporal strategy a...
Temporal strategy and performance during a fatiguing short-cycle repetitive task
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- Bosch, Tim (author)
- Högskolan i Gävle,CBF,Centrum för belastningsskadeforskning
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- Mathiassen, Svend Erik (author)
- Högskolan i Gävle,CBF,Centrum för belastningsskadeforskning
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- Hallman, David (author)
- Högskolan i Gävle,CBF,Centrum för belastningsskadeforskning
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- De Looze, Michiel (author)
- TNO, Work& Employment, the Netherlands
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- Lyskov, Eugene (author)
- Högskolan i Gävle,CBF,Centrum för belastningsskadeforskning
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- Visser, Bart (author)
- Amsterdam School of Health Professions, the Netherlands
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- van Dieën, Jaap (author)
- VU Amsterdam, Faculty of Human Movement Sciences, the Netherlands
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(creator_code:org_t)
- 2012-06-07
- 2012
- English.
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In: Ergonomics. - : Informa UK Limited. - 0014-0139 .- 1366-5847. ; 55, s. 863-873
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- This study investigated temporal changes in movement strategy and performance during fatiguing short-cycle work. Eighteen participants performed six 7-minutes work blocks with repetitive reaching movements at 0.5 Hz, each followed by a 5.5-minute rest break for a total duration of one hour. 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
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Keyword
- Physical Fatigue
- Physical Ergonomics
- EMG
- timing of movements
- Occupational physiology
- Arbetsfysiologi
Publication and Content Type
- ref (subject category)
- art (subject category)
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