In an era of automation, mechanization, and miniaturization, manual materials handling continues to constitute an occupational hazard of serious consequences. The “safe lifting method” attempts to reduce lifting stresses through proper positioning of individuals with respect to the weight being lifted. It does not consider any job/work modification, nor does it prescribe any specific capabilities of individuals assigned to the jobs. Through several examples, the pitfalls that may result from indiscriminate applications of the method to encompass all jobs under all situations are illustrated.
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Mahmoud A. Ayoub (1982) studied this question.