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This paper reports 2 baseline studies and 1 experiment performed in a confined-space military vehicle concerning the effects on fitness and performance of time in a sitting posture and workstation characteristics. On average physical fitness decreased by slightly more than 10% per hour, the observation performance decreased by ~30% per hour, and the technical performance (of gunners) showed a relatively small decrease, i.e., less than 5% per hour. So-called active breaks (changing sitting into standing and walking) led to a significant reduction in the decrease of physical fitness, almost reducing it to zero. Furthermore, the level of confinement was shown to affect physical fitness.
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Tom
Strony
313--325
Opis fizyczny
Bibliogr. 7 poz., rys., tab., wykr.
Twórcy
autor
- TNO Human Factors, Soesterberg, The Netherlands
- Paris Descartes University, Paris, France
autor
- Paris Descartes University, Paris, France
autor
- Paris Descartes University, Paris, France
autor
- TNO Human Factors, Soesterberg, The Netherlands
Bibliografia
- 1.International Organization for Standardization (ISO). Ergonomics—evaluation of static working postures (Standard No. ISO 11226:2000). Geneva, Switzerland: ISO; 2000.
- 2.European Committee for Standardization (CEN). Safety of machinery—human physical performance—part 4: evaluation of working postures and movements in relation to machinery (Standard No. EN 1005-4:2005). Brussels, Belgium: CEN; 2005.
- 3.Mathiassen SE, Christmansson M. Variation and autonomy. In: Delleman NJ, Haslegrave CM, Chaffin DB, editors. Working postures and movements—tools for evaluation and engineering. Boca Raton, FL, USA: CRC Press/London, UK: Taylor & Francis; 2004. p. 330–66.
- 4.Drury CG, Paquet VL. Performance. In: Delleman NJ, Haslegrave CM, Chaffin DB, editors. Working postures and movements—tools for evaluation and engineering. Boca Raton, FL, USA: CRC Press/London, UK: Taylor & Francis; 2004. p. 403–23.
- 5.Corlett EN, Bishop RB. A technique for assessing postural discomfort. Ergonomics. 1976;19:175–82.
- 6.Borg G. A category scale with ratio properties for intermodal and interindividual comparisons. In: Geissler HG, Petzold P, editors. Psychophysical judgement and the process of perception. Amsterdam, The Netherlands: North-Holland; 1982. p. 25–34.
- 7.Van der Grinten MP, Smitt P. Development of a practical method for measuring body part discomfort. In: Kumar S, editor. Advances in industrial ergonomics and safety IV, Proceedings of the Annual International Ergonomics and Safety Conference, Denver, CO, USA. London, UK: Taylor & Francis; 1992. p. 311–8.
Typ dokumentu
Bibliografia
Identyfikator YADDA
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