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- Jakobsen, Markus DueThe National Research Centre for the Working Environment (author)
Estimation of physical workload of the low-back based on exposure variation analysis during a full working day among male blue-collar workers. Cross-sectional workplace study
- Article/chapterEnglish2018
Publisher, publication year, extent ...
- Elsevier BV,2018
- 7 s.
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- LIBRIS-ID:oai:lup.lub.lu.se:f4951d9f-1c73-40a3-a9e1-b7d44d993e7a
- https://lup.lub.lu.se/record/f4951d9f-1c73-40a3-a9e1-b7d44d993e7aURI
- https://doi.org/10.1016/j.apergo.2018.02.019DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- This study aims to quantify physical workload of the low-back using exposure variation analysis (EVA) during a full working day among blue-collar workers with manual lifting tasks. One hundred and ten male employees (39 warehouse workers, 27 operators, 24 postal workers and 20 slaughterhouse workers) with manual lifting tasks from 12 workplaces participated. The workers performed standardized box lifts using 5, 10, 20 and 30 kg before and after a working day. Muscular activity of the low-back was measured throughout the working day using surface electromyography (sEMG). Corresponding sEMG-values for 0–30 kg lifts were identified using linear regression. EVA at exposure levels corresponding to “lifting periods” of [1-5, 5-10, 10-20, 20-30 and >30] kg in time intervals [0–0.5, 0.5–1, 1-2, 2-5, 5-10, >10] sec was computed. Back inclination was measured using tri-axial accelerometers. Compared to the other job groups, the operators’ low-back muscles were exposed to more short duration “lifting periods” with varying loads and more frequent medium duration high load “lifting periods” respectively. The operators also worked more with their back inclined (>30° >60° and >90°) than the remaining job groups. Nonetheless, more than 41% of the workers performed heavy “lifting periods” that exceeded Danish lifting guidelines. This EVA demonstrates that almost half of the blue-collar workers were exposed to heavy low-back loading which puts them at risk of developing musculoskeletal disorders and low-back injury. Operators are, in particular, exposed to more short duration and medium duration “lifting periods” with varying load compared to warehouse-, postal- and slaughterhouse workers.
Subject headings and genre
- MEDICIN OCH HÄLSOVETENSKAP Hälsovetenskap Arbetsmedicin och miljömedicin hsv//swe
- MEDICAL AND HEALTH SCIENCES Health Sciences Occupational Health and Environmental Health hsv//eng
- Borg
- EMG
- Low-back pain
- Manual handling
- Musculoskeletal disorders
- Occupational lifting
- Physical exertion
- Self-report
Added entries (persons, corporate bodies, meetings, titles ...)
- Sundstrup, EmilThe National Research Centre for the Working Environment (author)
- Brandt, MikkelThe National Research Centre for the Working Environment,Aalborg University (author)
- Persson, RogerLund University,Lunds universitet,Institutionen för psykologi,Samhällsvetenskapliga institutioner och centrumbildningar,Samhällsvetenskapliga fakulteten,Arbetsorganisation och hälsa,Forskargrupper vid Lunds universitet,Department of Psychology,Departments of Administrative, Economic and Social Sciences,Faculty of Social Sciences,Environmental health and occupational health,Lund University Research Groups(Swepub:lu)ymed-rpn (author)
- Andersen, Lars L.Aalborg University,The National Research Centre for the Working Environment (author)
- The National Research Centre for the Working EnvironmentAalborg University (creator_code:org_t)
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- In:Applied Ergonomics: Elsevier BV70, s. 127-1330003-6870
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