IRCT2014091419167N1 IRCT 2015-01-07 Research Vice Chancellor, Tabriz University of Medical Sciences Effect of supportive social network on physical activity(PA) of female teachers Effect of supportive social network on physical activity(PA) of female teachers 2014-08-23 anticipated 230 Complete https://irct.ir/trial/17220 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Other design features: Choosing schools as control or intervention groups will be done simple random sampling.Society for the study in the census are entered study. N/A physical activity. Intervention 1: Participants in the intervention group will expose to an 8- week educational intervention based on social ecological model. session 1: benefits of PA, The effects of PA on health,forming of group to educate social support skills (i.e. social support of colleagues for making more connection channels) in the form of group discussions in each group. session2: practical exercise like static stretching andwalking. Session3: walking, dynamic stretching and jogging. Session4: stretching exercises, walking, running and some exercises for abdominal strength, The fifth session: repeating previous exercises (stretching, walking, kinetic activities for muscles),The sixth session: stretching exercises in accompany with synchronization between arms and legs, Seventh session: aerobics, Eighth session: physical readiness. Intervention 2: will not be assigned to the control group.