Discriminability of load heaviness : implications for the psychophysical approach to manual lifting

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      <subfield code="a">Discriminability of load heaviness</subfield>
      <subfield code="b">: implications for the psychophysical approach to manual lifting</subfield>
      <subfield code="c">W. Karwowski... [et al.]</subfield>
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      <subfield code="a">The main objective of this study was to investigate human ability to discriminate between different levels of load heaviness in manual lifting. It was concluded that in order to assure reliable results of the psychophysycal approach to determining the values of maximum acceptable weight of lift, the ajustment process for male subjects should require using small weights of at leat 4 lbs (1.8 kg) to be added or removed from the lifted box</subfield>
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      <subfield code="t">Ergonomics</subfield>
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      <subfield code="g">Vol. 35, nº 7-8, July-August 1992 ; p. 729-744</subfield>
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