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Variation in upper limb posture and movement during word processing with and without mouse use
National institute of Occupational Health.
Department of Occupational Health, Karolinska Hospital.
1994 (English)In: Ergonomics, ISSN 0014-0139, E-ISSN 1366-5847, Vol. 37, no 7, p. 1261-1267Article in journal (Refereed) Published
Abstract [en]

Work postures and movements of the upper limb were analysed for 12 'mouse' operators and 12 'non-mouse' computer operators employed in word-processing work. Measurements were carried out during correction of a given text. 'Mouse' operators spent 64% of the working time with the operative wrist deviating more than 15 degrees towards the ulnar side, while 'non-mouse' operators spent 96% of the time with the corresponding wrist in neutral position towards radial deviation. The rotation in the shoulder was at all times in neutral position towards inward rotation for 'non-mouse' operators, while 'mouse' operators worked 81% of the time with the shoulder rotated outward more than 30 degrees. 'Mouse' operators corrected a longer text during the given time. Our observations showed long periods of strenuous working postures for 'mouse' operators compared to 'non-mouse' operators. We believe that further investigations need to be carried out on the effects of word-processing techniques and to develop ergonomic work station designs for the 'mouse' and other non-keyboard input devices.

Place, publisher, year, edition, pages
1994. Vol. 37, no 7, p. 1261-1267
Identifiers
URN: urn:nbn:se:ltu:diva-9058Local ID: 79f1b870-6efd-11df-ab16-000ea68e967bOAI: oai:DiVA.org:ltu-9058DiVA, id: diva2:981996
Note
Upprättat; 1994; 20100603 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Karlqvist, Lena

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