
Keywords: دستکاری مواد دستی; Manual materials handling; Psychophysics; Link-segment model; Limiting joint; F-K; Floor-to-Knuckle lift; K-E; Knuckle-to-Elbow Lift; K-I; Knuckle-to-Eye lift; MAWL; Maximal Acceptable Weight Limit; Mj; Joint moment; MVC; Maximal Voluntary Contraction; rs