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An analytical ergonomic risk evaluation of body postures during daily cleaning tasks in horse stables

Lotta Löfqvist ; Anna-Lisa Osvalder (Institutionen för produkt- och produktionsutveckling, Design and Human Factors) ; Lars-Ola Bligård (Institutionen för produkt- och produktionsutveckling, Design and Human Factors) ; Stefan Pinzke
WORK - A Journal of Prevention, Assessment & Rehabilitation (1051-9815). Vol. 51 (2015), 4, p. 667-682.
[Artikel, refereegranskad vetenskaplig]

BACKGROUND: Musculoskeletal disorders (MSDs) are a common reason for health problems and sick leave in many professions. A work arena where MSDs have not been sufficiently studied is stable work. Here many heavy and repetitive work tasks are performed manually with old-fashioned working tools. OBJECTIVE: The aim of this study was to use an analytical approach to identify, evaluate and grade ergonomic problems in physical work performed during daily activities in horse stables and relate these to MSDs among the workers and to the design of the tools. METHODS: Three common work tasks were studied to identify, evaluate and grade ergonomic problems; mucking out, sweeping and bedding replacement. Used methods were Hierarchical Task Analysis, Heuristic Evaluation and Rapid Entire Body Assessment. RESULTS: Several high-risk operations were found in mucking out boxes and disposal of bedding material. The problems consisted of awkward working postures such as a twisted and bent back, arms in an elevated position, wrists in extreme joint positions and handling of heavy loads. CONCLUSIONS: By using an analytical approach it is possible to identify presumptive ergonomic problems without extensive empirical research. In most high-risk operations, long-shafted tools or a wheelbarrow were used, which emphasize a need to develop tools with better ergonomic design to improve the working situation. The limitation is that the ergonomics problems found are not finally validated. The results show where deeper empirical research is needed, both regarding how MSDs occur and how tools and environment contribute to physical problems.

Nyckelord: Musculoskeletal problems, stable work, tool design, work task analysis



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Denna post skapades 2015-08-27. Senast ändrad 2015-11-02.
CPL Pubid: 221336

 

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