alexa Force exertion in awkward working postures--strength capability while twisting or working overhead.


Industrial Engineering & Management

Author(s): Haslegrave CM, Tracy MF, Corlett EN

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Abstract Isometric strength data have been collected for three of the awkward work situations often imposed by workplace constraints in industry, as found in jobs such as maintenance and repair. The effects of the task layout factors (location of the workpiece, reach distance and direction of force exertion) were investigated and the data has been tabulated to show the degree to which strength may be reduced in different situations. Strength measurements in the present study were found to be considerably higher than previous measurements, apparently due to differences in instructions on foot placement that were given to subjects, which indicates that even small constraints on posture within the workplace may have large effects on the ability to exert force. This article was published in Ergonomics and referenced in Industrial Engineering & Management

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