“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”. 2025. Giornale Italiano Di Medicina Del Lavoro Ed Ergonomia, December. https://doi.org/10.4081/gimle.743.