Observational methods for the assessment of biomechanical risk factors: validity and limitations: S. Mattioli,1 S. Curti2 | 1Department of Environmental Sciences and Prevention, University of Ferrara; 2Department of Medical and Surgical Sciences, University of Bologna, Italy. G Ital Med Lav Ergon [Internet]. 2025 Dec. 3 [cited 2026 Apr. 19];. Available from: https://medicine.pagepress.net/gimle/article/view/743