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Psychophysical lifting capacity over extended periods

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dc.contributor Wichita State University. Department of Industrial and Manufacturing Engineering en_US
dc.contributor.author Fernandez, Jeffrey E. en_US
dc.contributor.author Ayoub, M. M. en_US
dc.contributor.author Smith, James L. en_US
dc.date.accessioned 2012-03-14T17:32:09Z
dc.date.available 2012-03-14T17:32:09Z
dc.date.issued 1991-01 en_US
dc.identifier 2009847 en_US
dc.identifier 0373220 en_US
dc.identifier.citation Ergonomics. 1991 Jan; 34(1): 23-32. en_US
dc.identifier.issn 0014-0139 en_US
dc.identifier.uri http://dx.doi.org/10.1080/00140139108967285 en_US
dc.identifier.uri http://hdl.handle.net/10057/4863
dc.description The full text of this article is not available in SOAR. Check the journal record http://libcat.wichita.edu/vwebv/holdingsInfo?bibId=481823 for the paper version of the article in the library. You can also click on the DOI link below to access the article (may not be free). en_US
dc.description.abstract The effect of time on an individual's lifting capacity over extended periods using a psychophysical approach was studied. Twelve male subjects estimated their lifting capacity in a 25 min period, and then attempted to lift this weight for an 8 h period under varying conditions. For one experimental condition the subjects were allowed to adjust the weight, the final adjusted maximum acceptable weight of lift (MAWOL) averaged 85.4% of the original MAWOL determined in the 25 min session. The subjects also attempted to lift for an 8 h period, without any weight adjustments. All 12 subjects lasted the 8 h at 2 lifts per min, but at a frequency of 8 lifts per min only three subjects completed the eight hour lifting task. This indicates that the psychophysical approach is a valid method to measure lifting capacity across the lower lifting frequency range but overestimates the lifting capacity at the higher frequency range. Slight fluctuations were noted in heart rate and oxygen consumption which were recorded every hour. en_US
dc.format.extent 23-32 en_US
dc.language.iso eng en_US
dc.publisher Taylor & Francis en_US
dc.relation.ispartofseries Ergonomics en_US
dc.relation.ispartofseries Ergonomics en_US
dc.source NLM en_US
dc.subject.mesh Adult en_US
dc.subject.mesh Heart Rate/physiology en_US
dc.subject.mesh Humans en_US
dc.subject.mesh Male en_US
dc.subject.mesh Oxygen Consumption/physiology en_US
dc.subject.mesh Physical Exertion/physiology en_US
dc.subject.mesh Psychophysics en_US
dc.title Psychophysical lifting capacity over extended periods en_US
dc.type Article en_US
dc.coverage.spacial England en_US
dc.description.version peer reviewed en_US
dc.rights.holder Copyright © Taylor & Francis en_US

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