Effects of frequency and load of lift on endurance time

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      <subfield code="c">Ashraf M. Genaidy and Shihab S. Asfour</subfield>
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      <subfield code="a">The purpose of the present study was to determine endurance time for manual lifting tasks which were performed over a wide range of loads (5,10,15, and 20 kg) and frequencies (4,6,8 and 10 times/min) for a lift from floor to table height. Endurance time was defined in this study as the maximum lenght of time during which an individual was capable of lifting a given load at a given frequency continuously</subfield>
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      <subfield code="t">Ergonomics</subfield>
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      <subfield code="g">Vol. 32, nº 1, January 1989 ; p. 51-57</subfield>
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