fa بررسی وضعیت فعالیت بدنی سالمندان شهر کلات در سال 1393: کاربرد نظریه رفتار برنامه‌ریزی‌شده ● International Health مقاله اصيل پژوهشي Orginal Article <div style="text-align: justify;">Today, with increasing the lifespan, the importance of health-promoting behavior and paying attention to maintaining individuals&#39; function and autonomy are becoming increasingly evident and regular physical activity is considered as one of the important aspects of healthy lifestyle. This study aimed to apply the theory of planned behavior to predict the intention to do physical activity in the elderly. This study was conducted on the 371 elderly. A three-part questionnaire including demographic, knowledge, and theory of planned behavior questions was used. The views of the elderly were requested directly in this regard. According to the results, the elderly&rsquo;s mean age was 69 and the sample included 53% women. The behavior intention in this study had a positive significant correlation with all planned behavior theory constructs. The perceived behavior control construct hold the most prediction power regarding the variance of the elderly&rsquo;s intention of physical activity behavior. The constructs of theory could predict 26.7% of the variance of intention. Based on the results of this study, the theory of planned behavior was successful in predicting the elderly&rsquo;s intention to do physical activity and the necessity of paying attention to the component is emphasized to teach intention to elderly people, considering the role of the perceived behavior control construct in predicting behavior intention.</div> Elderly, Physical Activity, theory of planned behavior 324 329 http://jrh.gmu.ac.ir/browse.php?a_code=A-10-1131-1&slc_lang=fa&sid=1 Mohammad Vahedian-Shahroodi محمد واحدیان شاهرودی moradis1@mums.acir 100319475328460016734 100319475328460016734 No Department of Health Education and Health Promotion, School of Health, Mashhad University of Medical Science, Mashhad, Iran Mahdi Moshki مهدی مشکی @mums.acir 100319475328460016735 100319475328460016735 No Department of Health Education and Health Promotion, School of Health; Social Development and Health Promotion Research Center, Gonabad University of Medical Sciences, Gonabad, Iran Habibollah Esmaily حبیب الله اسماعیلی @mums.acir 100319475328460016736 100319475328460016736 No Department of Statistics, School of Health, Mashhad University of Medical Science, Mashhad, Iran Somaye Moradi Gholezo سمیه مرادی قله زو @mums.acir 100319475328460016737 100319475328460016737 Yes Department of Health Education, School of Health, Mashhad University of Medical Science, Mashhad, Iran Elaheh Lael- Monfared الهه لعل منفرد @mums.acir 100319475328460016738 100319475328460016738 No Department of Public Health, Student Research Committee, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran Maryam Damirchi مریم دمیرچی @mums.acir 100319475328460016739 100319475328460016739 No Department of Health Education, school of Health, Baqiyatallah University of Medical Sciences, Tehran, Iran