Psychophysical lifting capacity over extended periods

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      <subfield code="c">Jeffrey E. Fernandez, M.M. Ayoub and James L. Smith</subfield>
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      <subfield code="a">The effect of time on an individual's lifting capacity over extended periods using a psychophysical approach was studied. This study indicates that the psychophysical approach is a valid method to measure lifting capacity across the lower lifting frequency range but overestimates the lifting capacity at the higher frequency range</subfield>
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      <subfield code="g">Vol. 34, nº 1, January 1991 ; p. 23-32</subfield>
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