IRCT2015050521896N2 IRCT 2015-05-30 Arak university of medical science The effect of education on awareness of occupational health and safety instructions and musculoskeletal disorders related to work in staff ICUs The effect of education on awareness of occupational health and safety instructions and musculoskeletal disorders related to work in staff ICUs 2015-05-10 anticipated 60 Complete https://irct.ir/trial/19041 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive. N/A Musculoskeletal system disorder. Intervention 1: Training for group intervention (for any shifts morning, afternoon, evening separately) in two 2-hour workshop will be, The first workshop, which includes educational goals and educational content standards (prepared by the investigator based on modified (OSHA) on how to properly transport patients for a period of 30-45 minutes will be distributed, Then the issue will be discussed in a group discussion and the questions and answers will be done.In the second workshop staff how to properly transport patients (from stretcher to bed, bed to stretcher, bed to bed, bed to wheelchair, wheelchair to bed) in the form of practical training under the supervision of a researcher on the replica will train,. Intervention 2: In the control group, routin method for transport patient will be use.