A Comparison of Selected Work Muscle Strengths

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Abstract
This paper summarizes the isometric volitional strengths measured for a broad cross-section of 1239 industrial workers. A total of 12 different postures were studied representing the variety of lifting, pushing, pulling tasks commonly encountered in manual materials handling industries. These norms should be useful to those engaged in the design of such tasks. In terms of the matching of particular workers to particular jobs, the viability of predicting gross strength capability as a function of worker height, weight, age, gender, and experience (incumbent versus new hire) is examined. The tradeoffs between job specific testing and standardized testing are discussed as they relate to the modeling and prediction of worker/job match. Finally, the classical problem of test battery design and scoring is outlined in relation to these weakly correlated multi-attribute capabilities.

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