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Fatigue and recovery during and after static loading
KTH, School of Technology and Health (STH), Health Systems Engineering, Ergonomics.ORCID iD: 0000-0002-7565-854X
KTH, School of Technology and Health (STH), Health Systems Engineering, Ergonomics.
2014 (English)In: Ergonomics, ISSN 0014-0139, E-ISSN 1366-5847, Vol. 57, no 11, 1696-1710 p.Article in journal (Refereed) Published
Abstract [en]

Subjectively assessed endurance time (ET), resumption time (RT) and perceived discomfort, pain or fatigue (PD), and objectively measured maximum force-exerting capacity were investigated for varying loads and durations of a pushing task with two repeated trials. Beyond the main results quantifying how the load scenario affected ET, RT and PD, three additional results are of note: (1) although the maximum pushing force did not change between trials, shorter ET, longer RT and higher PD indicated accumulation of fatigue in Trial 2; (2) the PD ratings showed a trend with a linear increase during loading and a curvilinear decrease during recovery; and (3) the RT and the load level for different relative loading times were found to have an unexpected U-shaped relationship, indicating lowest fatigue at the intermediate load level. These results can be used to model a more sustainable and productive work-recovery ratio.

Place, publisher, year, edition, pages
2014. Vol. 57, no 11, 1696-1710 p.
Keyword [en]
force, perceived discomfort/pain/fatigue, subjective assessment, resumption time
National Category
Medical Ergonomics Applied Psychology
URN: urn:nbn:se:kth:diva-156431DOI: 10.1080/00140139.2014.952347ISI: 000343830000009PubMedID: 25210871ScopusID: 2-s2.0-84908396127OAI: diva2:768657
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QC 20150625

Available from: 2014-12-04 Created: 2014-11-28 Last updated: 2015-06-25Bibliographically approved

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Rose, Linda M.Hägg, Göran M.
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