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    Wyświetlanie 1-3 z 3
    Tytuł:
    A Comparative Assessment of the Impact of Different Occupations on Workers’ Static Musculoskeletal Fitness
    Autorzy:
    Chandra, A. M.
    Ghosh, S.
    Iqbal, R.
    Sadhu, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/90250.pdf
    Data publikacji:
    2007
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    occupations
    repetitive movements
    static muscular forces
    musculoskeletal disorders
    dynamometry
    Opis:
    An ergonomic assessment of the involvement of static muscular forces like back strength, grip strength and pinch strength in different occupations was made. A study was conducted on 45 normal adult males (15 subjects per group) which included video display terminal (VDT) operators, industrial workers and safety inspectors. Their maximum back strength, handgrip strength and pinch strength were measured with dynamometers. The observed values of back strength were significantly lower in VDT operators while significantly higher in safety inspectors and moderate in industrial workers. The values of grip strength and pinch strength of all sample groups were more or less similar. The findings clearly indicate that static muscular strength varies significantly in different occupations. Heavy static muscular load might lead to an accumulation of metabolic waste and toxins on the back resulting in lower back strength in VDT operators and industrial workers.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2007, 13, 3; 271-278
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simple cyclic movements as a distinct autism feature - computational approach
    Autorzy:
    Dobosz, K.
    Mikołajewski, D.
    Wójcik, G. M.
    Duch, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/305787.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    computational neuroscience
    neural networks
    attractor networks
    motor control
    repetitive movements
    ion channels
    Autism Spectrum Disorders
    ASD
    emergent simulator
    GENESIS simulator
    Opis:
    A diversity of symptoms in autism dictates a broad definition of Autism Spectrum of Disorders (ASD). Each year, the percentage of children diagnosed with ASD is growing. One common diagnostic feature in individuals with ASD is the tendency to exhibit atypical simple cyclic movements.The motor brain activity seems to generate a periodic attractor state that is hard to escape. Despite numerous studies, scientists and clinicians do not know exactly if ASD is a result of a simple yet general mechanism or of a complex set of mechanisms (either on the neural, molecular and system levels). Simulations using the biologically - relevant neural network model presented here may help to reveal the simplest mechanisms that may be responsible for specific behavior. Abnormal neural fatigue mechanisms may be responsible for motor symptoms as well as many (or perhaps all) of the other symptoms observed in ASD.
    Źródło:
    Computer Science; 2013, 14 (3); 475-489
    1508-2806
    2300-7036
    Pojawia się w:
    Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Musculoskeletal Symptoms in Workers
    Autorzy:
    Ghasemkhani, M.
    Mahmudi, E.
    Jabbari, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/90334.pdf
    Data publikacji:
    2008
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    musculoskeletal disorders
    prevalence
    packing
    repetitive movements
    awkward postures
    Opis:
    Self-report measures of musculoskeletal discomfort are a widely used and generally accepted risk factor for musculoskeletal disorders in epidemiologic research. The aim of this study was to investigate the prevalence of musculoskeletal symptoms in packing workers. A cross-sectional study of 75 workers was carried out using a modified Nordic questionnaire. Prevalence was determined with the percentage of positive responses to questions on musculoskeletal symptoms. Odds ratios and 95% confidence intervals were the measures of association between prevalent musculoskeletal symptoms and demographic factors; they were determined with logistic regression. Most musculoskeletal symptoms in workers were from the low back (44.0%), shoulders (33.3%) and neck (32.0%). Years worked were strongly significantly associated with musculoskeletal symptoms and pain in the neck, shoulders and wrists/hands, P < .001–.050. Hazards related to repetitive movements and discomfort postures could be reduced with stretching exercises, rotation schedules and through new engineering solutions.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2008, 14, 4; 455--462
    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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