The unusual congruence between subjective evaluations and losses associated with inadequate hand tool design

Occupational disease and losses from badly-designed handles on hand tools are major concerns to the manufacturing industry. Of particular concern are hand tools, such as pliers, which require Unar deviation of the wrist. Direct evidence for such disease and losses has long been provided by a Western...

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Bibliographic Details
Published in:International journal of industrial ergonomics 1995, Vol.16 (1), p.23-28
Main Authors: Leamon, Tom B., Dempsey, Patrick G.
Format: Article
Language:English
Subjects:
Bent handles
Cumulative trauma disorders
Hand tools
Pliers
Ulnar deviation
Wrists
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Summary:Occupational disease and losses from badly-designed handles on hand tools are major concerns to the manufacturing industry. Of particular concern are hand tools, such as pliers, which require Unar deviation of the wrist. Direct evidence for such disease and losses has long been provided by a Western Electric study which compared the cumulative trauma disorder occurrences among two groups of trainees using bent and straight-handled pliers. A review of this finding indicated that such losses were unusually high and numerically identical to subjective physical responses from a laboratory-based study concerned with the design of handles for nut drivers.
ISSN:0169-8141
1872-8219
DOI:10.1016/0169-8141(94)00069-F