
Keywords: اختلالات عضلانی-اسکلتی مرتبط با کار; Repositioning; Work related musculoskeletal disorders; Sliding sheets; Nursing; Low back disorder risk model; EMG; electromyography; LBD; lower back disorders; LBP; lower back pain; LMM; lumbar motion monitor; WMSD; work related musculoskeletal disorders;