Ergonomics Risk Assessment for Manual Material Handling of Warehouse Activities Involving High Shelf and Low Shelf Binning Processes: Application of Marker-Based Motion Capture

Lower back pain is a musculoskeletal disorder that commonly reported among warehouse workers due to the nature of work environment and manual handling activities. The objective this study was assess ergonomic risks carrying out high shelf (HS) low (LS) binning processes. A questionnaire used determine prevalence symptoms, while marker-based motion capture (MoCap) system worksheet record participants’ action risk level. total 33% participants lower in past seven days, based on Cornell Musculoskeletal Discomfort Questionnaire (CMDQ) results. Analysis body velocities showed HS process had four major velocity peaks, defined as initial, lowering, lifting, final phases. In comparison, LS two peaks defined, crouching rising There were significant differences between mean for process, indicating have different movement patterns with varying velocities.