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Variation in upper ...
Variation in upper limb posture and movement during word processing with and without mouse use
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Karlqvist, Lena (author)
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- Hagberg, Mats (author)
- National institute of Occupational Health
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- Selin, Kristina (author)
- Department of Occupational Health, Karolinska Hospital
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(creator_code:org_t)
- Informa UK Limited, 1994
- 1994
- English.
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In: Ergonomics. - : Informa UK Limited. - 0014-0139 .- 1366-5847. ; 37:7, s. 1261-1267
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- 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.
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- ref (subject category)
- art (subject category)
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