Principles of Hand Tool Selection - …

Repetitive use of manualor powered hand tools is oftena factor in carpal tunnel syn-drome and other hand and wristdisorders. While most tools aresatisfactory for general purposeuse, they may be entirely inappropriate for con-tinual or repetitive use in a production instance, a 15-pound hand tool may be per-fectly acceptable for occasional use,1 but tools thatare used frequently or repetitively should weigh nomore than 4 pounds ( kg).2 In addition, theworking environment as a whole may also haveto be evaluated and corrected. A properly designedhand tool used in an awkward posture will notsolve the tools vary con-siderably in shape, size,and weight. The way atool is designed influ-ences the hand positionsand motions that are re-quired to use it. Fortu-nately, there are typicallyseveral designs to choosefrom in each tool cat-egory.

Repetitive use of manual or powered hand tools is often a factor in carpal tunnel syn-drome and other hand and wrist disorders. While most tools are

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  Manual, Selection, Tool, Hands, Hand tool selection

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