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Musculoskeletal Risk Assessment in Small Furniture Manufacturing Workshops

Nejad N. H., Choobineh A., Rahimifard H., Haidari H. R., Tabatabaei S. H. R.

International Journal of Occupational Safety and Ergonomics

2013

Vol. 19, No. 2

275--284

In Iran, furniture is mainly manufactured in small workshops, where most activities are performed manually. This study was conducted among workers of furniture workshops to determine prevalence of musculoskeletal symptoms and to assess ergonomic working conditions to identify major risk factors associated with musculoskeletal symptoms. In this study, 410 randomly selected furniture workers participated. The Nordic questionnaire and an ergonomics checklist consisting of 6 sections were used as data collection tools. An index was calculated for each section of the checklist. Action categories indicating the priority of corrective measures were also defined. The highest prevalence of symptoms was reported in the knees (39%), lower back (35.6%) and wrists/hands (29.5%). It was found that manual material handling, poor workstation design and awkward working postures were associated with the reported symptoms in these regions (OR 1.77–4.52). Poor general working conditions and work organization showed association as well. Any interventional measures should focus on these areas.

Ergonomics Assessment of Composite Ballistic Inserts for Bullet- and Fragment-Proof Vests

Majchrzycka K., Brochocka A., Łuczak A., Łężak K.

International Journal of Occupational Safety and Ergonomics

2013

Vol. 19, No. 3

387--396

Personal protective equipment worn by uniformed services (e.g., the police and the military) must ensure protection against bodily injuries. However, a high degree of protection is always associated with significant discomfort. This article presents the results of an assessment of the ergonomics parameters of new special purpose products, ballistic inserts with improved ballistic resistance, and an assessment of the impact of the burden related to their use on the psychomotor performance of the subjects. An obstacle course and subjective ergonomics assessment questionnaires were used in tests. Thermal discomfort was also assessed. Psychological testing included tests enabling an assessment of the subjects' cognitive and psychomotor performance, and a subjective assessment of mental load. The tests did not show any decrease in the comfort of use of the new inserts with improved ballistic resistance compared to the inserts currently used.