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International Archives of Occupational and Environmental Health

Erschienen in:

01.01.2014 | Original Article

Effects of ergonomic intervention on work-related upper extremity musculoskeletal disorders among computer workers: a randomized controlled trial

verfasst von: Sina Esmaeilzadeh, Emel Ozcan, Nalan Capan

Erschienen in: International Archives of Occupational and Environmental Health | Ausgabe 1/2014

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Abstract

Purpose

The aim of the study was to determine effects of ergonomic intervention on work-related upper extremity musculoskeletal disorders (WUEMSDs) among computer workers.

Methods

Four hundred computer workers answered a questionnaire on work-related upper extremity musculoskeletal symptoms (WUEMSS). Ninety-four subjects with WUEMSS using computers at least 3 h a day participated in a prospective, randomized controlled 6-month intervention. Body posture and workstation layouts were assessed by the Ergonomic Questionnaire. We used the Visual Analogue Scale to assess the intensity of WUEMSS. The Upper Extremity Function Scale was used to evaluate functional limitations at the neck and upper extremities. Health-related quality of life was assessed with the Short Form-36. After baseline assessment, those in the intervention group participated in a multicomponent ergonomic intervention program including a comprehensive ergonomic training consisting of two interactive sessions, an ergonomic training brochure, and workplace visits with workstation adjustments. Follow-up assessment was conducted after 6 months.

Results

In the intervention group, body posture (p < 0.001) and workstation layout (p = 0.002) improved over 6 months; furthermore, intensity (p < 0.001), duration (p < 0.001), and frequency (p = 0.009) of WUEMSS decreased significantly in the intervention group compared with the control group. Additionally, the functional status (p = 0.001), and physical (p < 0.001), and mental (p = 0.035) health-related quality of life improved significantly compared with the controls. There was no improvement of work day loss due to WUEMSS (p > 0.05).

Conclusions

Ergonomic intervention programs may be effective in reducing ergonomic risk factors among computer workers and consequently in the secondary prevention of WUEMSDs.

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Titel: Effects of ergonomic intervention on work-related upper extremity musculoskeletal disorders among computer workers: a randomized controlled trial
verfasst von: Sina Esmaeilzadeh
Emel Ozcan
Nalan Capan
Publikationsdatum: 01.01.2014
Verlag: Springer Berlin Heidelberg
Erschienen in: International Archives of Occupational and Environmental Health / Ausgabe 1/2014
Print ISSN: 0340-0131
Elektronische ISSN: 1432-1246
DOI: https://doi.org/10.1007/s00420-012-0838-5

Springer Medizin

Abstract

Purpose

Methods

Results

Conclusions

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