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Exploring physical exposures and identifying high-risk work tasks within the floor layer trade
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Nov 23 2013
Source: Appl Ergon. 2013; 45(4):857-864.
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Alternative Title:Appl Ergon
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Description:Introduction
Floor layers have high rates of musculoskeletal disorders yet few studies have examined their work exposures. This study used observational methods to describe physical exposures within floor laying tasks.
Methods
We analyzed 45 videos from 32 floor layers using Multimedia-Video Task Analysis software to determine the time in task, forces, postures, and repetitive hand movements for installation of four common flooring materials. We used the WISHA checklists to define exposure thresholds.
Results
Most workers (91%) met the caution threshold for one or more exposures. Workers showed high exposures in multiple body parts with variability in exposures across tasks and for different materials. Prolonged exposures were seen for kneeling, poor neck and low back postures, and intermittent but frequent hand grip forces.
Conclusions
Floor layers experience prolonged awkward postures and high force physical exposures in multiple body parts, which probably contribute to their high rates of musculoskeletal disorders.
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Pubmed ID:24274895
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Pubmed Central ID:PMC3999260
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