IRCT20180902040923N4 IRCT 2022-06-25 Iran University of Medical Sciences Ergonomics training on sleep quality and musculoskeletal disorders The effect of ergonomics training on sleep quality and musculoskeletal disorders of police command line staff 2022-02-19 anticipated 50 Complete https://irct.ir/trial/59294 interventional Randomization: Not randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention. N/A MUSCULOSKELETAL DISORDER. Intervention 1: Intervention group: Completion of demographic questionnaires, Nordic musculoskeletal disorders, Petersburg quality of sleep before and after the intervention, three theoretical sessions (ergonomics training, sleep hygiene training, teaching the correct principles of physical activity and general training framework) by relevant experts and 8 Week (twice a week, one hour session) Performing corrective movements by a sports pathologist. Intervention 2: Control group: Completion of demographic questionnaires, Nordic musculoskeletal disorders, Petersburg quality of sleep before and after the intervention, control group did not receive educational intervention and corrective movements. However, after the final completion of the intervention to maintain ethics, the desired training for the intervention group will be taught to this group. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is Because the organization under study is a military organization, the necessary correspondence and permits must be obtained and coordinated with them in this regard.