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    Wyświetlanie 1-3 z 3
    Tytuł:
    Interaction of Physical and Mental Work
    Autorzy:
    Singh, S.
    Aghazadeh, F.
    Ray, T. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/90541.pdf
    Data publikacji:
    2002
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    physical work
    mental work
    psychophysical methods
    acceptable load limit
    fatigue
    praca a choroby
    praca mięśni
    praca umysłowa
    obciążenie pracą umysłową
    obciążenie fizyczne
    zmęczenie
    zmęczenie fizyczne
    Opis:
    The objective of the research was to determine the effect of mental load on the physical capacity of an individual. An experiment involving 9 combinations of lifting tasks, 1 lowering task, and 3 treadmill tasks was conducted. Heart rate was measured and maximum acceptable weight of lift was determined using the psychophysical method. A simple multiplication task was used as the mental load. The output variables were determined with and without the mental task. The results indicate that the individual’s physical capacity decreased with the mental task while lifting from floor to knuckle and shoulder to reach lifting heights.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2002, 8, 4; 451-463
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reliability of a Questionnaire and an Ergonomic Checklist for Assessing Working Conditions and Health at Call Centres
    Autorzy:
    Norman, K.
    Alm, H.
    Tornqvist, E. W.
    Toomingas, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/90485.pdf
    Data publikacji:
    2006
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    test-retest reliability
    inter-observer test
    questionnaire
    ergonomic checklist
    call centre
    computer work
    ergonomia
    warunki pracy
    praca a choroby
    centra telefoniczne
    praca przy komputerze
    kwestionariusz
    Opis:
    Background. The purpose was to study the test-retest reliability and internal consistency of questions in a questionnaire concerning working conditions and health and the inter-rater reliability of observations and measurements according to an ergonomic checklist. Method. Fifty-seven operators participated in a retest questionnaire and 58 operators participated in an inter-observer test. Results. The questions had fair to good or higher reliability in 142 of the total of 312. Twenty-seven of the total of 44 variables in the ergonomic checklist were classified as having fair to good or higher reliability. Conclusions. About half of the questions had fair to good or higher reliability and can be recommended for further analyses. The majority of variables in the ergonomic checklist were classified as having fair to good or higher reliability. Low reliability does not necessarily indicate that the reliability of the test, per se, is low but may signify that the conditions measured vary over time or that the answers are aggregated in one part of the scale.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2006, 12, 1; 53-68
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Computer Professionals and Carpal Tunnel Syndrome (CTS)
    Autorzy:
    Ali, K. M.
    Sathiyasekaran, B. W. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/90158.pdf
    Data publikacji:
    2006
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    musculoskeletal disorders
    cross-sectional study
    occupational disorder
    Tinel’s sign
    Phalen’s sign
    wrist
    hand
    body mass index
    nadgarstek
    ręka
    praca a choroby
    komputer
    choroby narządów ruchu
    pozycja przy pracy
    choroba zawodowa
    syndrom cieśni nadgarstka
    Opis:
    Carpal Tunnel Syndrome (CTS) is an important problem among computer professionals. Hence the prevalence of CTS among computer professionals and risk factors were studied. 648 subjects were selected from 4,276 computer professionals from 21 companies with a simple random sampling method. CTS was diagnosed based on clinical features.The prevalence of CTS was found to be 13.1% (95% CI 10.5–15.7%). Subjects with over 8 years of computer work, over 12 hrs of work per day and system administrators were at a higher risk for CTS (OR 3.3, 4.9 and 2.5 respectively). Flexed or extended hand position had higher risk for CTS. Higher risk for CTS was found with higher exposure to computer work. Ergonomic considerations are important in facilitating proper positioning of hand while working with a computer. Further studies on CTS risk factors among computer professionals are essential for planning prevention.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2006, 12, 3; 319-325
    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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