Abstract
The main objective of this paper is to generate ergonomic software that can be used in the design and evaluation of manual lifting tasks so as to minimize the risk of injury. Specifically, this study is aimed at developing a microcomputer-based model for the design and evaluation of frequent manual lifting tasks built upon the concept of job severity index. The microcomputer-based software package is intended to be used by non-experts in the field of manual materials handling. Possible engineering and administrative controls are implemented in the software if human lifting abilities are exceeded. These controls are discussed at length in the main text. The software was written in AutoLISP for the IBM personal computer. The knowledge based of the software is built upon a set of two models which were developed in the present study. The models were based on 2736 observations. An example is given to illustrate the usage of the software.
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