Abstract
Several studies have utilized the psychophysical approach to generate lifting capability data for industrial workers. In all these studies, certain assumptions were made. These assumptions, as reported recently, are not valid and, therefore, lifting capability data based on the psychophysical approach must be subjected to certain adjustments. This paper reports new data on lifting capability of the industrial workforce and compares it with two previous studies. Data from all the three studies were adjusted for time duration and, since the three studies compared favorably, integrated to develop comprehensive lifting capability data bases. The effects of lifting frequency, box size, height of lift, and age of workers are discussed.
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