Study aim: General purpose: The effect of 10 sessions of Swedish massage on ergonomic risk factors and range of motion of female hairdressers with musculoskeletal disorders Design: The clinical trial has a control group, the sample size is 42 people, this study is a blind strain. G-Power software was used for randomization. Settings and conduct: The study was conducted on 42 hairdressers in Arak, who were randomly selected from among 74 hairdressers in the city, and 21 of them received 10 sessions of Swedish massage for 5 weeks. In this study, participants who do not know how to work are blinded. Participants/Inclusion and exclusion criteria: Entry and exit criteria: Female hairdressers who do hair-related work and whose average age is between 25 and 35 years old must not have orthopedic problems in terms of back, lumbar, and neck spine injuries and have not performed any surgery in the upper and lower pelvic area, and must not have any Contagious and non-contagious and rheumatic skin diseases. Intervention groups: The studied groups consist of 42 people, divided into two groups of 21 people (one control group and the other experimental group). 10 sessions of Swedish massage are performed on the experimental group. Main outcome variables: Independent: Swedish massage; Related: ergonomic risk factors, range of motion of female hairdressers, musculoskeletal disorders