Physical workload, perceived exertion, and output of cut wood as related to age in motor-manual cutting

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      <subfield code="a">The aim of this study was to investigate the physical workload, perceived exertion, and output of cut wood in motor-manual cutting, as related to age. Physical workload, output of cut wood, and perceived exertion were studied among 15 younger and 16 older lumberjacks, using a chainsaw and paid on a piece-rate basis. Oxygen consumption was measured with portable equipment, while heart rate was measured telemetrically</subfield>
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      <subfield code="g">Vol. 36, nº 5, May 1993 ; p. 479-488</subfield>
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