A process for the development, specification and evaluation of VDU work tables

• Development, specification and evaluation of a work table, suitable for VDU work with a mouse, was carried out in collaboration with furniture manufacturers, employees and an employer in a Research and Development Company. Ten VDU-operators expressed their ideas for improvements at their present workstations and the company and the researchers made a preliminary version of workstation specification to the furniture manufacturers. The three different furniture manufacturers set up four test stations with prototype tables, which were evaluated by 39 subjects using comfort ratings. The results of the comfort ratings and comments from the subjects were used when the final specification for new workstations was made. Three new work tables were evaluated in the ten selected operators' ordinary environment. Evaluations were made by technical recordings of physical load during work and by preference studies. The most important results from the evaluation can be summarized as follows: the work table should make it possible to support the arms, make it possible to vary between sitting and standing posture and prevent extreme outward rotation of the shoulder. Furthermore, the study showed that it is possible to improve the furniture manufacturers' knowledge and attitudes regarding how to minimize musculoskeletal disorders and to improve the study persons' working technique

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