Investigating musculoskeletal risks in manual mushroom harvesting: An ergonomic field study in canadian farms

Abstract

Canada's annual production of 132,000 metric tonnes of mushrooms relies on manual harvesting, posing risks of work-related musculoskeletal disorders (WMSDs). This study employs ergonomic evaluation techniques, including Rapid Upper Limb Assessment (RULA) and Cumulative Trauma Disorder (CTD) index, along with a discomfort assessment questionnaire, to analyze workers' postural loads and self-reported discomfort. Results indicate that immediate alterations are needed in 85% of picking postures to reduce WMSD risks (RULA score: 6–7). The overall process shows a CTD index of 1.16, indicating potential repetitive strain injuries. Pickers report discomfort, particularly in the hand and shoulder. The study underscores the need for alternatives like redesigned growing beds to enhance worker safety in mushroom harvesting.

Keywords

• WMSDs
• RULA
• CTD index
• Discomfort rating
• Manual harvesting
• Farm worker