1. Mortazavi SS, Ardebili HE, Eshaghi SR, Dorali Beni R, Shahsiah M, Botlani S. The effectiveness of regular physical activity on mental health in elderly. J Isfahan Med School 2012; 29(161): 1519-28. [In Persian] 2. Yokoya T, Demura S, Sato S. Relationships between physical activity, ADL capability and fall risk in community-dwelling Japanese elderly population. Environ Health Prev Med 2007;12(1):25-32. doi: 10.1007/BF02898189 3. den Ouden ME, Schuurmans MJ, Arts IE, van der Schouw YT. Association between physical performance characteristics and independence in activities of daily living in middle-aged and elderly men. Geriatr Gerontol Int 2013;13(2):274-80. doi: 10.1111/j.1447-0594.2012.00890.x. 4. Plouvier S, Gourmelen J, Chastang JF, Lanoe JL, Leclerc A. Low back pain around retirement age and physical occupational exposure during working life. BMC Public Health 2011;11:268. doi: 10.1186/1471-2458-11-268. 5. Marques EA, Baptista F, Santos DA, Silva AM, Mota J, Sardinha LB. Risk for losing physical independence in older adults: the role of sedentary time, light, and moderate to vigorous physical activity. Maturitas 2014;79(1):91-5. doi: 10.1016/j.maturitas.2014.06.012. 6. Colpani V, Oppermann K, Spritzer PM. Association between habitual physical activity and lower cardiovascular risk in premenopausal, perimenopausal, and postmenopausal women: a population-based study. Menopause 2013;20(5):525-31. doi: 10.1097/GME.0b013e318271b388. 7. Naderyan S, Sahaf R, Ali Akbari Kamrani A, Abolfathi Momtaz Y, Ghasemzadeh H, Papi S. Physical activity among iranian former sportsmen and athletes as possible evidence for continuity theory of aging. Iranian Rehabilitation Journal 2019; 17(2):141-8. doi.org/10.32598/irj.17.2.141 8. Kim SH, Kim TH, Hwang HJ. The relationship of physical activity (PA) and walking with sarcopenia in Korean males aged 60 years and older using the Fourth Korean National Health and Nutrition Examination Survey (KNHANES IV-2, 3), 2008-2009. Arch Gerontol Geriatr 2013;56(3):472-7. doi: 10.1016/j.archger.2012.12.009. 9. Yap TL, Davis LS. Physical activity: the science of health promotion through tailored messages. Rehabil Nurs 2008;33(2):55-62. doi: 10.1002/j.2048-7940.2008.tb00204.x · 10. Salehi L, Eftekhar H, Mohammad K, Taghdisi MH, Shojaeizadeh D. Physical activity among a sample of Iranians aged over 60 years: an application of the transtheoretical model. Arch Iran Med 2010;13(6):528-36. doi: 010136/0014. 11. Zabihi A, Jafarian S, Farokhifar M, Babaee F, Salehi M, Bijani A. Study on physical activities in Babol city. Journal of Babol University of Medical Sciences 2010;11(6):71-6. [In Persian] 12. Caperchione CM, Kolt GS, Mummery WK. Physical activity in culturally and linguistically diverse migrant groups to Western society: a review of barriers, enablers and experiences. Sports Med 2009;39(3):167-77. doi: 10.2165/00007256-200939030-00001. 13. Santos R, Santos MP, Ribeiro JC, Mota J. Physical activity and other lifestyle behaviors in a Portuguese sample of adults: results from the Azorean Physical Activity and Health Study. J Phys Act Health 2009;6(6):750-9. doi: 10.1123/jpah.6.6.750 14. Eshaghi R, Shahsanai A, Mellat Ardakani M. Assessment of the Physical Activity of Elderly Population of Isfahan, Iran. Journal of Isfahan Medical School 2011;29(147):939-46. [In Persian] 15. Rahimi A, Alizadeh Khoei M, Arshinji M, Sharifi F. Physical health status and socio-economic outcomes on elderly in Tehran metropolitan area. Iranian Journal of Diabetes and Metabolism 2013; 13(1):29-37. [In Persian] 16. Kenyon GS. Six Scales for Assessing Attitude toward Physical Activity. Research Quarterly American Association for Health, Physical Education and Recreation 1968;39(3):566-74. doi: 10.1080/10671188.1968.10616581 17. Sahaf R, Rassafiani M, Fadayevatan R, Delbari A, Saboor M, Mirzaee S, et al. Validity and reliability of CHAMPS physical activity question-naire for older people living in Tehran. Salmand 2014; 9(3):206-17. [In Persian] 18. Papi S. The investigation of the impact of different types of education on physical activity among older people [dissertation]. Tehran: University of Social Welfare and Rehabilitation Sciences; 2018. 19. Stewart AL, Mills KM, King AC, Haskell WL, Gillis D, Ritter PL. CHAMPS physical activity questionnaire for older adults: outcomes for interventions. Med Sci Sports Exerc 2001;33(7):1126-41. 20. Mozafari A, Ahani K, Shajie A, Hadavi SF. Attitude and tendency of people toward physical activity and sport in islamic republic of Iran. Olympic 2010; 18(1): 69-81. [In Persian] 21. bin Mohamed Roshdin MA, Murad NA, Rahman NI, Haque M. Knowledge, attitude and practice regarding exercise among people exercising in gymnasium and recreational parks around Kuantan, Malaysia. J App Pharm Sci 2016; 6(6): 47-54. doi: 10.7324/JAPS.2016.60609 22. Guallar-Castillon P, Sendino AR, Banegas JR, Lopez-Garcia E, Rodriguez-Artalejo F. Differences in quality of life between women and men in the older population of Spain. Soc Sci Med 2005;60(6):1229-40. doi: 10.1016/j.socscimed.2004.07.003 23. Thomas N, Alder E, Leese GP. Barriers to physical activity in patients with diabetes. Postgrad Med J 2004;80(943):287-91. doi: 10.1136/pgmj.2003.010553 24. Everson SA, Maty SC, Lynch JW, Kaplan GA. Epidemiologic evidence for the relation between socioeconomic status and depression, obesity, and diabetes. J Psychosom Res 2002;53(4):891-5. doi.org/10.1016/S0022-3999(02)00303-3 25. Eather N, Morgan PJ, Lubans DR. Social support from teachers mediates physical activity behavior change in children participating in the Fit-4-Fun intervention. Int J Behav Nutr Phys Act 2013;10:68. doi: 10.1186/1479-5868-10-68. 26. Ueno M, Ohara S, Inoue M, Tsugane S, Kawaguchi Y. Association between education level and dentition status in Japanese adults: Japan public health center-based oral health study. Community Dent Oral Epidemiol 2012;40(6):481-7. doi: 10.1111/j.1600-0528.2012.00697.x. 27. Jancey J, Lee A, Howat P, Clarke A, Wang K, Shilton T. Reducing attrition in physical activity programs for older adults. J Aging Phys Act 2007;15(2):152-65. doi: 10.1123/japa.15.2.152 28. Shimada H, Lord SR, Yoshida H, Kim H, Suzuki T. Predictors of cessation of regular leisure-time physical activity in community-dwelling elderly people. Gerontology 2007;53(5):293-7. doi: 10.1159/000103214 29. Finkelstein EA, Brown DS, Brown DR, Buchner DM. A randomized study of financial incentives to increase physical activity among sedentary older adults. Prev Med 2008;47(2):182-7. doi: 10.1016/j.ypmed.2008.05.002. 30. Afshar M, Madani S, Asgari Tarazoj A, Papi S. H, Otroshi O, Sadeghi Gandomani H, et al. Physical activity and types of cancer. World Cancer Research Journal 2018; 5 (4):1-11. 31. Tsai AC, Liou JC, Chang MC, Chuang YL. Influence of diet and physical activity on aging-associated body fatness and anthropometric changes in older Taiwanese. Nutrition Research 2007;27(5):245-51. doi.org/10.1016/j.nutres.2007.03.002 32. Garatachea N, Molinero O, Martinez-Garcia R, Jimenez-Jimenez R, Gonzalez-Gallego J, Marquez S. Feelings of well being in elderly people: relationship to physical activity and physical function. Arch Gerontol Geriatr 2009 48(3):306-12. doi: 10.1016/j.archger.2008.02.010. 33. Patterson SL, Rodgers MM, Macko RF, Forrester LW. Effect of treadmill exercise training on spatial and temporal gait parameters in subjects with chronic stroke: a preliminary report. J Rehabil Res Dev 2008;45(2):221-8. doi: 10.1682/JRRD.2007.02.0024 34. Seguin RA, Economos CD, Palombo R, Hyatt R, Kuder J, Nelson ME. Strength training and older women: a cross-sectional study examining factors related to exercise adherence. J Aging Phys Act 2010;18(2):201-18. doi: 10.1123/japa.18.2.201 35. Duncan LR, Hall CR, Wilson PM, Jenny O. Exercise motivation: a cross-sectional analysis examining its relationships with frequency, intensity, and duration of exercise. Int J Behav Nutr Phys Act 2010; 7: 7. doi: 10.1186/1479-5868-7-7 36. Lehne G, Bolte G. Equity impact of interventions to promote physical activity in older adults: protocol for a systematic review. Syst Rev 2016; 5: 17. doi: 10.1186/s13643-016-0194-8 37. Motefaker M, Sadrbafghi SM, Rafiei M, Bahadorzadeh L, Namayandeh SM, Karimi M, et al. Epidemiology of physical activity; a population based study in Yazd City. Tehran Unive Med J 2007; 65(4): 77-81. [In Persian]
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