Posture Risk Assessment of Mixer Workers in Disc-Pad Plant Using RULA and REBA Methods
DOI:
https://doi.org/10.35891/338y6p36Keywords:
RULA, REBA, Ergonomics, Risk, Musculoskeletal DisordersAbstract
An extreme working posture can lead to musculoskeletal disorders, conditions characterized by spinal anomalies. The operators at an upstream automotive manufacturer are prone to fatigue due to intense workloads. This study aims to evaluate the risk of work posture. Ergonomic risk assessment based on the Rapid Upper Limb Assessment (RULA) and the Rapid Entire Body Assessment (REBA) is used as a research method. The study's population comprises three operators. The research stages began with a walk-through survey to identify work activities, followed by photographs of work postures. The study's findings showed that the highest RULA and REBA scores indicate a need for improvement in work methods. The analysis reveals that RULA is more exposed to upper-limb and wrist postures, while REBA sufficiently captures the risk associated with trunk flexion and leg loading. This approach provides a comprehensive risk shape for repetitive tasks, which is often overlooked in single-method studies. The research results also show that implementing ergonomic risk assessment using the RULA and REBA approaches can serve as input for a firm's management to improve work conditions.
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