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Psychophysically acceptable weights for a combination lifting task using bags with handles

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dc.contributor Wichita State University. Department of Industrial and Manufacturing Engineering en_US
dc.contributor.author Fredericks, T. K. en_US
dc.contributor.author Fernandez, Jeffrey E. en_US
dc.contributor.author Rodrigues, C. C. en_US
dc.date.accessioned 2012-03-14T17:32:09Z
dc.date.available 2012-03-14T17:32:09Z
dc.date.issued 1994-12 en_US
dc.identifier 7730595 en_US
dc.identifier 0364267 en_US
dc.identifier.citation Journal of human ergology. 1994 Dec; 23(2): 101-9. en_US
dc.identifier.issn 0300-8134 en_US
dc.identifier.uri http://hdl.handle.net/10057/4862
dc.description The full text of this article is not available in SOAR. Check the journal record http://libcat.wichita.edu/vwebv/holdingsInfo?bibId=557416 for the paper version of the article in the library. en_US
dc.description.abstract This paper presents a study on a combination lift and lower manual handling task and was designed to simulate the loading of grocery bags into a car trunk. Twelve male subjects performed an externally paced task of lifting grocery bags loaded with weights from 15 cm above the floor and over a wooden sill. There were two different sill heights of 70 cm and 90 cm, and for each of these heights there were two frequencies of 3 and 6 lifts per cycle. The dependent variables were maximum acceptable weight of lift (MAWOL). A unique lifting sequence and a modified version of the psychophysical methodology were used to determine MAWOL. There was a significant difference in the MAWOL across the two sill heights as well as the MAWOL at the two different frequencies. Plastic bags were determined to increase the average load lifted by 27% as compared to paper bags. At normal grocery bag weights, the increased load carrying capacity represents an increase in the safety factor. Not only can the risk of lower back injuries be decreased by using plastic bags with handles but the risk of developing a cumulative trauma disorder could also be decreased. en_US
dc.format.extent 101-9 en_US
dc.language.iso eng en_US
dc.publisher Human Ergology Society en_US
dc.relation.ispartofseries Journal of Human Ergology en_US
dc.relation.ispartofseries J Hum Ergol (Tokyo) en_US
dc.source NLM en_US
dc.subject Comparative Study en_US
dc.subject.mesh Adult en_US
dc.subject.mesh Back Pain/prevention & control en_US
dc.subject.mesh Equipment Design en_US
dc.subject.mesh Evaluation Studies as Topic en_US
dc.subject.mesh Hand Strength en_US
dc.subject.mesh Humans en_US
dc.subject.mesh Lifting en_US
dc.subject.mesh Male en_US
dc.subject.mesh Posture en_US
dc.subject.mesh Psychophysics en_US
dc.subject.mesh Risk Factors en_US
dc.subject.mesh Safety en_US
dc.subject.mesh Task Performance and Analysis en_US
dc.title Psychophysically acceptable weights for a combination lifting task using bags with handles en_US
dc.type Article en_US
dc.coverage.spacial Japan en_US
dc.description.version peer reviewed en_US
dc.rights.holder Copyright © Human Ergology Society en_US

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