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Wyświetlanie 1-2 z 2
Tytuł:
Observation Procedures Characterizing Occupational Physical Activities: Critical Review
Autorzy:
Denis, D.
Lortie, M.
Rossignol, M.
Powiązania:
https://bibliotekanauki.pl/articles/89974.pdf
Data publikacji:
2000
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
physical work
observation procedures
reliability
validity
observer training
obserwacja
praca fizyczna
warunki pracy
Opis:
The first objective of this paper is to compare the observation procedures proposed to characterize physical work. The second objective is to examine the following 3 methodological issues: reliability, observer training, and internal validity. Seventy-two papers were reviewed, 38 of which proposed a new or modified observation grid. The observation variables identified were broken down into 7 categories as follows: posture, exertion, load handled, work environment, use of feet, use of hands, and activities or tasks performed. The review revealed the variability of existing procedures. The examination of methodological issues showed that observation data can be reliable and can present an adequate internal validity. However, little information about the conditions necessary to achieve good reliability was available.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2000, 6, 4; 463-491
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Box Handling in the Loading and Unloading of Vans
Autorzy:
Lortie, M.
Baril-Gingras, G.
Powiązania:
https://bibliotekanauki.pl/articles/90133.pdf
Data publikacji:
1998
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
handling
box
handling techniques
field study
work analysis
obsługa
praca fizyczna
chwyt
wysiłek fizyczny
załadunek
rozładunek
Opis:
The handling of 2,306 boxes being loaded or unloaded from vans onto or from 4-wheeled trolleys by 31 handlers in a warehouse were characterized. Handling was videotaped and characterized through an analysis grid completed by three trained observers. The following execution parameters were observed: nature of the exertion applied by the upper limbs, plane and direction of the exertion, resulting displacement of the box, grip, use of the lower limbs and the back. Results show that execution parameters used by handlers vary considerably from those usually recommended or studied. For example, symmetric grips were rarely used (4%). The grip was modified during the handling of half the boxes. Significant knee flexion was rarely observed (3% of exertions). Each box was moved by applying an average o f . 3.5 different exertions. Exertions were mostly applied in a plane parallel to the shoulders; they were rarely executed in a strict sagittal plane (11%). The implication of these observations are discussed.
Źródło:
International Journal of Occupational Safety and Ergonomics; 1998, 4, 1; 3-18
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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