why physical inactivity level has increased in the iranian population during the past decade? a delphi technique

Background: considering the wellestablished benefits of physical activity in the health domain, the economy, and environment, physical activity programs should be considered as an important agenda in public health policymaking.objectives: the objective of this qualitative study was to identify “why the prevalence of physical inactivity has increased during the past decade in iran, despite having various national physical activity documents? using a delphi technique. methods: the “delphi technique” process in this study consisted of literature review, selecting the research question, selection and recruitment of panel members, pilot study and conduction of round one (using an open question), round 2 (using a 5point likert scale), and round three (final ranking). results: statements with the highest scores in round three were recognized as the most important causes of the decreased level of physical activity based on the experts’ responses in iran.conclusions: the absence of executive support, coordination mechanisms, and appropriate infrastructure for conducting physical activity were the top challenges in improving the physical activity level in iran.