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2 2016

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Association between psychosocial, organizational and personal factors and prevalence of musculoskeletal disorders in office workers

Piranveyseh P., Motamedzade M., Osatuke K., Mohammadfam I., Moghimbeigi A., Soltanzadeh A., Mohammadi H.

International Journal of Occupational Safety and Ergonomics

2016

Vol. 22, No. 2

267--273

The purpose of this study was to investigate the relationship between organizational and personal (individual) factors with the prevalence of musculoskeletal disorders (MSDs) in office workers of the Iranian Gas Transmission Company. The participants rated two questionnaires – the standardized Nordic Musculoskeletal Questionnaire to measure the prevalence of MSDs, and the Veterans Healthcare Administration All Employee Survey questionnaire (2004 version) – to measure psychosocial, organizational and individual aspects of job satisfaction and workplace climate. The highest prevalence of MSDs was found in the lower back (49.7%) and neck (49.0%) regions. Results of the logistic regression models showed that some psychosocial and organizational factors and also some individual factors were associated with prevalence of MSDs (p < 0.05).These ﬁndings illustrate the need to consider all elements of the work system as a whole in future studies and in organizational planning.

An experimental study to evaluate musculoskeletal disorders and postural stress of female craftworkers adopting different sitting postures

Maity P., De S., Pal A., Dhara P. C.

International Journal of Occupational Safety and Ergonomics

2016

Vol. 22, No. 2

257--266

This study aimed to evaluate musculoskeletal disorders (MSDs) and postural stress among female craftworkers. The study was carried out on 75 adult female craftworkers in different districts of West Bengal. The prevalence of MSDs, body part discomfort (BPD) rating and body joint angles of the workers were evaluated with standard methods. Electromyography (EMG) of the shoulder and back muscles was recorded with the BIOPAC system. The prevalence of MSDs, BPD rating and deviation of joint angle were comparatively lower in the case of sitting on the floor with folded legs than squatting and sitting on the floor with stretched legs postures. The EMG and rms values of the shoulder and back muscles were comparatively lower in this posture. Therefore, it was concluded that sitting on the floor with folded legs was less hazardous and it imposed less postural stress in comparison to other sitting postures.