AHFE Open AccessErgonomic Risk Assessment and Fatigue Of Solid Waste Collectors in Chombueng District, Ratchaburi Province, Thailand
Abstract
This study investigates ergonomic risks and physical fatigue among 22 sanitation workers in Chom Bueng District, Ratchaburi Province. Using a descriptive cross-sectional design, data were collected via structured questionnaires, body discomfort maps, and the Rapid Entire Body Assessment (REBA). The results indicated that while workers possessed high levels of safety knowledge (mean = 8.31), a significant correlation existed between knowledge and safety practices ($p=0.009$). Ergonomic analysis revealed that 100% of waste collectors (attendants) were at a "Very High Risk" level (REBA Score ≥ 11), primarily due to repetitive lifting, twisting, and awkward postures. In contrast, drivers faced a "Moderate Risk" level. Significant fatigue was reported in the lower back (72.7%), shoulders (68.2%), and legs. The study suggests that administrative controls and ergonomic modifications are urgently required to mitigate long-term musculoskeletal disorders.
Keywords: Ergonomic Risk, Municipal Solid Waste Collectors, Significant Fatigue
DOI: 10.54941/ahfe1007806
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