Date of Award

Winter 1-31-1994

Document Type

Thesis

Degree Name

Master of Science in Occupational Safety and Health Engineering - (M.S.)

Department

Mechanical and Industrial Engineering

First Advisor

Howard Gage

Second Advisor

Suebsak Nanthavanij

Third Advisor

Layek Abdel-Malek

Abstract

Muscular-skeletal disorders are a significant safety concern for professional computer users. Regard for human health, regulatory emphasis, and the inherent cost of the disorders give rise to this point. In an attempt to reduce the risk of injury to computer operators from Carpal Tunnel Syndrome, this body of work provides an easy to use tool capable of determining the near optimal workstation orientation for any operator/workstation combination. Using a unique algorithm and compiled anthropometric data, computer software has been specially developed to map individual workstations in the Cartesian coordinate system. This mapping yields a recommended orientation that is compared to the ANSI/HFS-100 Standard to determine its feasibility. The program uses knowledge of the operator's sex and standing height to recommend the heights of the chair, keyboard, and monitor; as well as the horizontal distances between the back of the chair and the keyboard and the back of the chair and the monitor. Field trials confirm that IntelAd is an effective tool which meets its design objectives and offers an orientation that requires only minor adjustments to account for differences between the actual and the modeled computer user.

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