Inclusion criteria: Female gender, the age group of 18 to 30, the normal BMI (20-25), regular exercise in one of the volleyball, handball for at least three years, a scapular disorder (right and right asymmetry, and Left for at least 1.5 centimeters) exclusion criteria: Pain in any of the normal conditions and practice, history of injuries such as fractures in shoulder belt , joints in shoulder belt , Complete tear of the shoulder muscle, capsulitis, any atrophy in the scapular muscle, severe musculoskeletal disorders in the upper extremity, including forward head, forward shoulder , kyphosis, scoliosis, participation in any rehabilitation and treatment program in the last six months, lack of participation of subjects in two consecutive sessions, three non-consecutive sessions in the exercises, as well as subjects' unwillingness to continue the research.