Abstract
A laboratory study was conducted to determine static lifting strengths on 13 males and 12 females from 18 to 28 years of age. Using the strength monitor, the average strength and peak strength were measured in four different postures: standing, sitting, lying on stomach with elbows support, and without elbow support. Five sets of data were collected at constant heights. There was a significant difference in lifting strengths between standing lifts and lying on stomach without elbow-support postures; maximum lift occurred in the standing position. It was found that there was no significant difference in lifting strengths between sitting and lying on stomach with elbows sup port. The average female strengths were found to be about 49% to 55% of male subjects in all postures.
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