Relationship Between Workload and Prevalence of Wrist Disorders in Assembly Line Workers of Manufacturing Industry

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ORDUDARI ZAHRA; Fadaei Farzaneh; HABIBI EHSANOLLAH; HASANZADEH AKBAR

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Journal: Iranian Journal of Ergonomics Year:2019 | Volume:7 | Issue:3 Page(s): 33-43

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Information Journal Paper

Title

Relationship Between Workload and Prevalence of Wrist Disorders in Assembly Line Workers of Manufacturing Industry

Author(s)

ORDUDARI ZAHRA | Fadaei Farzaneh | HABIBI EHSANOLLAH | HASANZADEH AKBAR | Issue Writer Certificate

Keywords

WorkloadQ1

Manufacturing industryQ1

OCRAQ1

NASA-TLXQ1

Musculoskeletal DiseasesQ1

Abstract

Background and Objectives: Musculoskeletal disorders cause about half of all work-related disease, and are the major cause of loss of time, increased costs, and labor injury. This study aims to evaluate the Workload and its association with the prevalence of wrist disorders. It was carried out in the assembly workers of a Manufacturing industry. Methods: This cross-sectional study was conducted among 120 female workers employed. Theit mental Workload, physical Workload and prevalence of wrist MSDs were evaluated using the NASA-TLX, the OCRA method and the Nordic wrist and hand scan questionnaire respectively. Results: The NASA-TLX showed that the physical demands and effort with mean scores of 78. 79 and 78. 37 were respectively the most important subjective mental Workload (SMWL) scale. Also The results on the basis of the OCRA risk level showed that the highest right-hand risk was at risk level 3 and the highest left-hand risk was at risk level 1. The Statistical analysis showed that OCRA risk levels and mean scale physical demands and efforts were significantly higher in those with wrist pain than those without pain (P<0. 05). There was a direct correlation between the severity of the wrist pain with the OCRA risk index in both hands (P=0. 001) and the total score of NASA (r=0. 232, P<0. 05). Conclusion: It was revealed that mental load was high in assembly lines of the Manufacturing industry and this result was also confirmed by physical evaluation. This study indicated that overall score of SMWL can affect the incidence of MSDs. That is why mental Workload should be considered as a risk factor for MSDs.

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APA: Copy

ORDUDARI, ZAHRA, Fadaei, Farzaneh, HABIBI, EHSANOLLAH, & HASANZADEH, AKBAR. (2019). Relationship Between Workload and Prevalence of Wrist Disorders in Assembly Line Workers of Manufacturing Industry. JOURNAL OF ERGONOMICS, 7(3 ), 33-43. SID. https://sid.ir/paper/103300/en

Vancouver: Copy

ORDUDARI ZAHRA, Fadaei Farzaneh, HABIBI EHSANOLLAH, HASANZADEH AKBAR. Relationship Between Workload and Prevalence of Wrist Disorders in Assembly Line Workers of Manufacturing Industry. JOURNAL OF ERGONOMICS[Internet]. 2019;7(3 ):33-43. Available from: https://sid.ir/paper/103300/en

IEEE: Copy

ZAHRA ORDUDARI, Farzaneh Fadaei, EHSANOLLAH HABIBI, and AKBAR HASANZADEH, “Relationship Between Workload and Prevalence of Wrist Disorders in Assembly Line Workers of Manufacturing Industry,” JOURNAL OF ERGONOMICS, vol. 7, no. 3 , pp. 33–43, 2019, [Online]. Available: https://sid.ir/paper/103300/en

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