The Journal of

  Background: physical activity at teenage time is known as Health determinant at adolescence and elderly. The aim of this study is determining of Intended level of physical activity and effective factors in boy high school students advice on a housing town in Tehran.

  Methods: A cross-sectional study done on 179 boy students. Data was collected through researchers made questionnaire. Validity and reliability of the questionnaire was tested by content validity technique and –Cronbach's Alpha respectively. SPSS and descriptive and analytical statistics were used to analyze the Collected Data. Finally , based on the results , strategies for promoting physical activity for students was provided.

  Results: 36/3 percent, 34/1 percent and 29/6 percent of students respectively were low , moderate and severe physical activity level.  The research community access to sports facilities were in the home respectively 54/2 percent low, 27/4 percent moderate and 18/4 percent high , and in the school, respectively, 55/3 percent low, 43 percent moderate and 1/7 percent high have evaluated. 74.3 percent of the students were not support enough and 25/7 percent had good support by their family. The level of physical activity had a significant relationship with BMI, class basis, and age. However it had no significant relations with parent’s education levels and job .

  Conclusion: To increase physical activity among students , school- based interventions and increased use of family support is essential . Creating and facilitating access to sports facilities in schools and homes should be.And the benefits of regular physical activity to be taught students and families.

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