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    The ability of non-computer tasks to increase biomechanical exposure variability in computer-intensive office work

    Access Status
    Fulltext not available
    Authors
    Barbieri, D.
    Srinivasan, D.
    Mathiassen, Svend
    Nogueira, H.
    Oliveira, A.
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Barbieri, D. and Srinivasan, D. and Mathiassen, S. and Nogueira, H. and Oliveira, A. 2015. The ability of non-computer tasks to increase biomechanical exposure variability in computer-intensive office work. Ergonomics. 58 (1): pp. 50-64.
    Source Title
    Ergonomics
    DOI
    10.1080/00140139.2014.965753
    ISSN
    0014-0139
    School
    School of Physiotherapy and Exercise Science
    URI
    http://hdl.handle.net/20.500.11937/69304
    Collection
    • Curtin Research Publications
    Abstract

    © 2014 Taylor & Francis. Postures and muscle activity in the upper body were recorded from 50 academics office workers during 2 hours of normal work, categorised by observation into computer work (CW) and three non-computer (NC) tasks (NC seated work, NC standing/walking work and breaks). NC tasks differed significantly in exposures from CW, with standing/walking NC tasks representing the largest contrasts for most of the exposure variables. For the majority of workers, exposure variability was larger in their present job than in CW alone, as measured by the job variance ratio (JVR), i.e. the ratio between min–min variabilities in the job and in CW. Calculations of JVRs for simulated jobs containing different proportions of CW showed that variability could, indeed, be increased by redistributing available tasks, but that substantial increases could only be achieved by introducing more vigorous tasks in the job, in casu illustrated by cleaning.

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