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Interactive effect of ergonomics and production engineering on shoulder-neck exposure: a case study of assembly work in China and Sweden
Luleå tekniska universitet.
Luleå tekniska universitet.
Luleå University of Technology, Department of Business Administration, Technology and Social Sciences, Human Work Science.
1997 (English)In: International Journal of Industrial Ergonomics, ISSN 0169-8141, E-ISSN 1872-8219, Vol. 20, no 1, p. 75-85Article in journal (Refereed) Published
Abstract [en]

Ergonomic improvements of work station design have been widely embraced as a measure for reduction of physical work load (mechanical exposure) and prevention or control of occupational shoulder-neck disorders. However, other elements of work rationalization, more in the hands of production engineers, may also influence the mechanical exposure. The present study concerns shoulder-neck exposure in a Chinese and a Swedish assembly line workplace. Interactive effects of ergonomic work station design, and production engineering (in terms of assembly line balancing and sensitivity of assembly line layout to production irregularities) on shoulder-neck exposure have been studied. It was shown that the Swedish workplace has a better ergonomic work station design, reflected in more favorable work postures during assembly operations. At the same time, the Swedish assembly line is better balanced and less sensitive to production irregularities, which probably reduces the total duration of idle time during assembly compared with the Chinese line. On the Swedish assembly line, arm movements are more frequent, and trapezius and infraspinatus muscle activation is more repetitive. Muscle activation levels are similar on the two lines. However, a larger proportion of low level muscle activities were found on the Chinese line compared with the Swedish line. On the basis of these results, it is suggested that the mechanical exposure of the assembly workers is a result of counteracting effects of improved ergonomic design of work stations and more effective production engineering.

Place, publisher, year, edition, pages
1997. Vol. 20, no 1, p. 75-85
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
Industrial Work Environment
Identifiers
URN: urn:nbn:se:ltu:diva-4222DOI: 10.1016/S0169-8141(96)00032-7ISI: A1997XG64900008Scopus ID: 2-s2.0-0031194011Local ID: 22498450-d4a4-11db-8550-000ea68e967bOAI: oai:DiVA.org:ltu-4222DiVA, id: diva2:977086
Note

Godkänd; 1997; 20070317 (ysko)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Shahnavaz, Houshang

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