A Comparative Study on NERPA, RULA, and LUBA Methods in Predicting the Risk of Upper Limb Musculoskeletal Disorders in Household Manufacturing Industry

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Sadeghi Yarandi Mohsen; Torabi Goodarz Salman; Pourbabaki reza; Samiei Sajjad

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Journal: JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING Year:2020 | Volume:7 | Issue:1 Page(s): 11-20

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Title

A Comparative Study on NERPA, RULA, and LUBA Methods in Predicting the Risk of Upper Limb Musculoskeletal Disorders in Household Manufacturing Industry

Author(s)

Sadeghi Yarandi Mohsen | Torabi Goodarz Salman | Pourbabaki reza | Samiei Sajjad | Issue Writer Certificate

Keywords

LUBAQ1

Musculoskeletal DisordersQ1

NERPAQ1

RULAQ1

Abstract

Background and Objective: Work-related upper limb disorders (WRULDs) are among the main causes of disability in industrial workers. Regarding this, the present study aimed to compare novel ergonomic postural assessment (NERPA), rapid upper limb assessment (RULA), and loading upper body assessment (LUBA) methods in predicting the risk of upper limb Musculoskeletal Disorders in the workers of household manufacturing industry. Materials and Methods: This cross-sectional study was conducted on 346 employees in the operational sector of a household manufacturing industry, in six occupational groups. The Nordic General Questionnaire was used to determine the prevalence of Musculoskeletal Disorders. Furthermore, LUBA, RULA, and NERPA methods were employed to predict the risk of upper limb Musculoskeletal Disorders. Finally, the values measured by the Nordic General Questionnaire and those predicted by the three mentioned methods were analyzed by the Spearman correlation coefficient and Kappa coefficient in SPSS software (version 25) at a significance level of 0. 05. Results: The mean age and work experience of the participants were 39. 52± 4. 81 and 9. 17± 4. 61 years, respectively. The correlation coefficients between the measured and predicted levels of Musculoskeletal Disorders by RULA, NERPA, and LUBA methods were obtained as 0. 701, 0. 691, and 0. 629, respectively (P<0. 05). Moreover, the correlation coefficients of the predicted risk levels in RULA with the obtained risk levels in NERPA and LUBA methods were 0. 713 and 0. 619, respectively (P<0. 05). Conclusion: The results of the present study revealed the RULA method as the best technique for predicting the risk of the prevalence of upper limb Musculoskeletal Disorders among the different examined tasks. Finally, it was determined that none of the studied methods had adequate comprehensiveness to assess all of the four risk levels. Therefore, it is suggested that newer methods be developed based on the correction and better division of angles.

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APA: Copy

Sadeghi Yarandi, Mohsen, Torabi Goodarz, Salman, Pourbabaki, reza, & Samiei, Sajjad. (2020). A Comparative Study on NERPA, RULA, and LUBA Methods in Predicting the Risk of Upper Limb Musculoskeletal Disorders in Household Manufacturing Industry. JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING, 7(1 ), 11-20. SID. https://sid.ir/paper/392592/en

Vancouver: Copy

Sadeghi Yarandi Mohsen, Torabi Goodarz Salman, Pourbabaki reza, Samiei Sajjad. A Comparative Study on NERPA, RULA, and LUBA Methods in Predicting the Risk of Upper Limb Musculoskeletal Disorders in Household Manufacturing Industry. JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING[Internet]. 2020;7(1 ):11-20. Available from: https://sid.ir/paper/392592/en

IEEE: Copy

Mohsen Sadeghi Yarandi, Salman Torabi Goodarz, reza Pourbabaki, and Sajjad Samiei, “A Comparative Study on NERPA, RULA, and LUBA Methods in Predicting the Risk of Upper Limb Musculoskeletal Disorders in Household Manufacturing Industry,” JOURNAL OF OCCUPATIONAL HYGIENE ENGINEERING, vol. 7, no. 1 , pp. 11–20, 2020, [Online]. Available: https://sid.ir/paper/392592/en

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