Alexandris, K., & Carroll, B. (n.d.). The relationship between selected demographic variables and recreational sport participation in Greece. International Review for the Sociology of Sport, 33, 291–298.
Avlund, K., Sakari-Rantala, R., Rantanen, T., Pedersen, A. N., Frandin, K., & Schroll, M. (n.d.). Tiredness and onset of walking limitations in older adults. Journal of the American Geriatrics Society, 52, 1963–1965.
Bijnen, F. C., Caspersen, C. J., & Mosterd, W. L. (n.d.). Physical inactivity as a risk for coronary heart disease: a WHO and International Society and Federation of Cardiology position statement. Bulletin of the World Health Organization, 72(1), 1–4.
Blair, S. N., Kohl, H. W., & Barlow, C. E. (n.d.). Physical activity, physical fitness, and all- cause mortality in women: do women need to be active? Journal of the American College of Nutrition, 12(4), 368–371.
Centers for Disease Control and Prevention. (n.d.). In Chronic Disease Prevention and Health Promotion, Division of Nutrition and Physical Activity.
Craig, C. L., & Cameron, C. (n.d.). Increasing physical activity.
Crespo, C. J., Keteyian, S. J., Heath, G. W., & Sempos, C. T. (n.d.). Leisure-time physical activity among US adults. Results from the Third National Health and Nutrition Examination Survey. Archives of Internal Medicine, 156, 93–98.
Dallosso, H. M., Morgan, K., Bassey, E. J., Ebrahim, S. B., Fentem, P. H., & Arie, T. H. (n.d.). Levels of customary physical activity among the old and the very old living at home. Journal of Epidemiology and Community Health, 42, 121–127.
Dishman, R. K., Washburn, R. A., & Heath, G. W. (n.d.). Physical activity and diabetes. In Physical Activity Epidemiology (pp. 191–207).
Fagard, R. H. (n.d.). Exercise characteristics and the blood pressure response to dynamic physical training. Medicine & Science in Sport & Exercise, 33(6 Suppl).
Fletcher, G. F. (n.d.). Statement on exercise: Benefits and recommendations for physical activity programs for all Americans. A statement for health professionals by the Committee on Exercise and Cardiac Rehabilitation of the Council on Clinical Cardiology. American Heart Association. Circulation, 94(4), 857–862.
Folsom, A. R., Arnett, D. K., Hutchinson, R. G., Liao, F., Clegg, L. X., & Cooper, L. S. (n.d.). Physical activity and incidence of coronary heart disease in middle-aged women and men. Medicine & Science in Sport & Exercise, 29(7), 901–909.
Guralnik, J. M., Ferrucci, L., Simonsick, E. M., Salive, M. E., & Wallace, R. B. (n.d.). Lower-extremity function in persons over the age of 70 years as predictor of subsequent disability. The New England Journal of Medicine, 332(9), 556–561.
Haapanen, N., Miilunpalo, S., Vuori, I., Oja, P., & Pasanen, M. (n.d.). Association of leisure time physical activity with the risk of coronary heart disease, hypertension and diabetes in middle-aged men and women. International Journal of Epidemiology, 26(4), 739–747.
Hachisuka, K., Tsutsui, Y., Furusawa, K., & Ogata, H. (n.d.). Gender differences in disability and lifestyle among community-dwelling elderly stroke patients in Kitakyushu, Japan. Archives of Physical Medicine and Rehabilitation, 79, 998–1002.
Harahousou, Y. S., & Kabitsis, C. N. (n.d.). Important reasons that motivate Greek women into participation in physical recreation. Proceedings for the 10th Commonwealth & International Scientific Congress: Access to Active Living, 113 118.
Health, U. S. D., & Services, H. (n.d.). Health and aging chart book. DHHS Publication, S), 99, 1232–1241.
Hirvensalo, M., Rantanen, T., & Heikkinen, E. (n.d.). Mobility difficulties and physical activity as predictors of mortality and loss of independence in the community-living older population. Journal of the American Geriatrics Society, 48(5), 493–498.
Horgas, A. L., Wilms, H. U., & Bates, M. M. (n.d.). Daily life in very old age: everyday activities as expression of successful living. The Gerontologist, 38(5), 556–568.
Jack, M. G., & Luigi, F. (n.d.). Assessing the building blocks of function: Utilizing measures of functional limitation. American Journal of Preventive Medicine, 25(3), 112–121.
Jones, D. A., Ainsworth, B. E., Croft, J. B., Macera, C. A., Lloyd, E. E., & Yusuf, H. R. (n.d.). Moderate leisure-time physical activity: who is meeting the public health recommendations? A national cross-sectional study. Archives of Family Medicine, 7(3), 285–289.
Kamimoto, L. A., Easton, A. N., Maurice, E., Husten, C. G., & Macera, C. A. (n.d.). Surveillance for five health risks among older adults-United States, 1993-1997. Morbidity and Mortality Weekly Report, 48(8), 89–156.
Kinsella, K., & Velkoff, V. A. (n.d.). An aging world: 2001.
Lakka, T. A., Venäläinen, J. M., Rauramaa, R., Salonen, R., Tuomilehto, J., & Salonen, J. T. (n.d.). Relation of leisure-time physical activity and cardio respiratory fitness to the risk of acute myocardial infraction in men. The New England Journal of Medicine, 330, 1549–1554.
Lee, I. M., Hsieh, C. C., & Paffenbarger, R. S. (n.d.). Exercise intensity and longevity in men: the Harvard alumni health study. The Journal of the American Medical Association, 273, 1179–1184.
McTierman, A. (n.d.). Recreational physical activity and the risk of breast cancer in postmenopausal women: the Women’s Health Initiative Cohort Study. The Journal of the American Medical Association, 290(10), 1331–1336.
Mensink, G. B., Deketh, M., Mul, M. D., Schuit, A. J., & Hoffmeister, H. (n.d.). Physical activity and its association with cardiovascular risk factors and mortality. Epidemiology, 7(4), 391–397.
Michalopoulos, M., Zisi, V., Malliou, P., & Godolias, G. (n.d.). Habitual activity and motor function in an urban Greek Elderly Population. Journal of Human Movement Studies, 46, 519–530.
Michalopoulou, M., Aggelousis, N., Zisi, V., Ventouri, M., Kourtessis, T., & Malliou, R. (n.d.). Physical Activity Patterns of Greek Adults Aged 60 - 90 years: Age and Gender Effects. Inquiries in Sport & Physical Education, 4(1), 87–96.
Monitor, P. A., Craig, C. L., Russell, S. J., Cameron, C., & Beaulieu, A. (n.d.). Canadian Fitness and Lifestyle Research Institute Canada. Reducing Inactivity Report. Canadian Fitness and Lifestyle Research Institute.
Morris, J. N., Clayton, D. G., Everitt, M. G., Semmence, A. M., & Burgess, E. H. (n.d.). Exercise in leisure-time: coronary attack and death rates. British Heart Journal, 63, 352–354.
Paffenbare a, o i in de, Change in physica acivil leVel and other asyle haracteristics with mortality among men. (n.d.). The New England Journal of Medicine, 328(8), 538–545.
Paffenbarger, R. S., Hyde, R. T., Wing, A. L., & Hsieh, C. C. (n.d.). Physical activity, all-cause mortality, and longevity of college alumni. The New England Journal of Medicine, 314(10), 605–613.
Schuit, A. J., Schouten, E. G., Westerterp, K. R., & Saris, W. H. (n.d.). Validity of the physical activity scale for the elderly (PASE): According to energy expenditure assessed by the doubly labeled water method. Journal of Clinical Epidemiology, 50(5), 541–546.
Sesso, H. D., Paffenbarger, R. S., Ha, T., & Lee, I. M. (n.d.). Physical activity and cardiovascular disease risk in middle-aged and older women. American Journal of Epidemiology, 150(4), 408–416.
Shephard, J. R. (n.d.). Gender, physical activity and aging.
Washburn, R. A., & Ficker, J. L. (n.d.). Physical Activity Scale for the Elderly (PASE): the relationship with activity measured by a portable accelerometer. Journal of Sports Medicine and Physical Fitness, 39, 336–340.
Washburn, R. A., Smith, K. W., Jette, A. M., & Janney, C. A. (n.d.). The Physical Activity Scale for the Elderly (PASE): development and evaluation. Journal of Clinical Epidemiology, 46, 153–162.
Yusuf, H. R. (n.d.). Leisure-time physical activity among older adults. Archives of Internal Medicine, 156(12), 1321–1326.