Correlation between the Body Posture and the Prevalence of Musculoskeletal Disorders in Line and Staff Employees in FARAJA, Yazd

Aims: This study aimed to investigate the prevalence of musculoskeletal disorders and determine its correlation with the body posture of FARAJA employees. Instruments Methods: This descriptive correlation study was conducted on 360 FARAJA employees in Yazd City in 2019, who were randomly selected from different ranks. The Nordic Musculoskeletal Questionnaire was used to collect the necessary information, and the Phi coefficient was used to determine the correlation level. Findings: Among the 360 employees, 277 people had one or more musculoskeletal disorders (76.9%). Overweight had a weak correlation with the being in the Line or Staff (φ=0.20). Also, it correlated to the rank (φ=0.58). Neck disorder was correlated to the rank (φ=0.28). Neck, back and low back disorders had a weak correlation with overweight (φ=0.2). The bent position of the head and neck while working was correlated with musculoskeletal disorders of the neck, shoulder, back, and low back (φ=0.2). Observance of correct sitting was correlated to neck and back disorders (φ=0.20). There was a significant correlation between awareness of correct sitting and neck and knee disorders. Sitting percentage had a moderate correlation with the shoulder (φ=0.36) and knee (φ=0.41) disorders. Conclusion: The prevalence of musculoskeletal disorders among FARAJA employees in Yazd city is 76.9%. The level of awareness of the correct body postures during work and their observance is correlated to the type of disorder, and there is a significant correlation between disorders with overweight and job rank.