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Ergonomic Risk Assessment and Prevalence of Musculoskeletal Disorders among Urban Train Operators in Mashhad: A Study Based on the REBA Method
Fatemeh Faraghati, Mohammad Javad Asadollahzadeh, Maryam Hasani,
Volume 13, Issue 1 (5-2025)
Abstract
Objectives: Musculoskeletal disorders (MSDs) are among the most common occupational health problems, particularly prevalent in driving-related professions. This study aimed to assess body posture and the risk of developing MSDs among urban train operators in Mashhad using the Rapid Entire Body Assessment (REBA) method.
Methods: In this cross-sectional study, 140 train operators from the Mashhad Urban Railway were randomly selected. Demographic information and the prevalence of MSDs were collected using the Nordic Musculoskeletal Questionnaire, and postural assessment was performed using the REBA method. Statistical analysis was conducted using parametric (independent samples t-test) and non-parametric (chi-square) tests.
Results: A total of 87.1% of participants reported musculoskeletal complaints in at least one body region. The most commonly affected areas were the neck (60%), lower back (57.1%), and upper back (33.6%). REBA results indicated that 71.4% of operators were in the medium-risk category. There was a significant association between musculoskeletal disorders and body mass index (BMI), as well as years of work experience (p<0.05).
Conclusion: Given the high prevalence of MSDs and the medium level of postural risk among train operators, ergonomic interventions and training on proper working posture are strongly recommended to improve occupational health in this group.
 

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