Ergonomic Work Posture Assessment Using REBA to Identify Musculoskeletal Disorder Risks among Modern Retail Employees
DOI:
https://doi.org/10.55826/jtmit.v5i3.2177Keywords:
Ergonomics, Work Posture, Rapid Entire Body Assessment (REBA), Musculoskeletal Disorders (MSDs), Modern RetailAbstract
The modern retail sector exposes employees to the risk of musculoskeletal disorders due to non-ergonomic working postures, particularly during repetitive activities such as item scanning, goods lifting, and cashier service. This study aims to analyse employees' working posture conditions at a modern retail store in Bekasi, identify potential contributing factors associated with ergonomic risks, and formulate ergonomic improvement recommendations. A descriptive ergonomic assessment study was conducted using purposive sampling involving cashiers, warehouse staff, and shelf attendants. The study used the Rapid Entire Body Assessment (REBA) method to assess body segments including the neck, trunk, legs, upper arms, lower arms, and wrists. The assessment results showed a final REBA score of 9, indicating that the observed work activities were categorized as high risk with an action level of 3. The high-risk posture was associated with excessive neck flexion exceeding 20°, trunk bending at 37°, and unacceptable coupling conditions. Repetitive work patterns without adequate job rotation further influenced these conditions. Based on the identified ergonomic risks, recommended improvements include optimizing workplace layout, adjusting work equipment dimensions according to employee anthropometric characteristics, and implementing structured job rotation and rest programs to reduce musculoskeletal disorder risks and improve employee comfort.
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