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    Wyświetlanie 1-3 z 3
    Tytuł:
    Postural Stability of Sitting Women
    Autorzy:
    Nag, P. K.
    Vyas, H.
    Nag, A.
    Pal, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/90231.pdf
    Data publikacji:
    2013
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    woman
    chair sitting
    postural stabilometry
    kobieta
    krzesło
    stabilność postawy
    Opis:
    The study examined the utility of stabilometric dimensions and explored whether the changes in sitting postures were manifested in functional measures of postural control. Eleven women participated in the study, which used 11 chair sitting postures: arms on laps or arms right angled; armrest at a height of 17, 20 and 23 cm; with or without backrest; slouch or straight back; legs right angled at knees or crossed legs. The backrest and armrest shifted 16.3% of body weight from a seat pan. The characteristics of stabilometric dimensions evaluated the influence of seat components and sitting behaviour on postural balance. The study attempted to evaluate stability and its application in human–seat interface design.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2013, 19, 4; 583-595
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sitting Comfort of Ergonomic Office Chairs—Developed Versus Intuitive Evaluation
    Autorzy:
    Mueller, G. F.
    Hassenzahl, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/90809.pdf
    Data publikacji:
    2010
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    sitting comfort
    office chair
    ergonomic chair layout
    developed evaluation
    intuitive evaluation
    sensory awareness
    Opis:
    The sitting comfort of office chairs with different ergonomic layouts (inferior, superior) was examined. Fifty participants were randomly assigned to a 2 × 5 factorial experimental design with 2 different conditions of ergonomic chair layout (inferior or superior) and 5 different conditions of instruction to explore the chair. Four conditions were created to differentiate between various levels of perceptual awareness and processing of chair-related information (guided exploration and developed evaluation). In a 5th condition, participants remained uninstructed (free exploration and intuitive exploration). Under guided exploration, the participants’ perception of sitting comfort was in line with objective differences in the chair layout. Different conditions of guided exploration, however, did not influence the evaluations. Under free exploration, the participants’ perceptions did not match the ergonomic chair layout. In contrast to participants under guided exploration, they even rated the ergonomically inferior office chair more favourably than the ergonomically superior chair.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2010, 16, 3; 369-374
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sitting Posture, Postural Discomfort, and Visual Performance: A Critical View on the Interdependence of Cognitive and Anthropometric Factors in the VDU Workplace
    Autorzy:
    Ziefle, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/89734.pdf
    Data publikacji:
    2003
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    sitting posture
    postural discomfort
    muscular load
    VDU workplaces
    standard workplace adjustment
    individual workplace adjustment
    anthropometric factors
    ergonomia
    komputer
    pozycja przy pracy
    pozycja siedząca
    fizjologia pracy
    stanowiska pracy
    Opis:
    The study focuses on individual and standard visual display unit (VDU) workplaces with respect to performance and muscular load. Three different work settings were realized: The workplace was either adjusted to individual preferences or to the European standard. The third condition mirrored exactly the individual setting, however participants were told that it was set according to another standard. Dependent variables were visual performance in a search task, the rated muscular load, and individual preferences. Results show that both individual work settings yielded a superior performance as compared to the standard. However, performance and muscular comfort improved when participants knew they had adjusted the workplace. Apparently, VDU users follow a intuitive rationale adjusting their work setting minimizing muscular load and optimizing performance.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2003, 9, 4; 503-514
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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