Tremblay MS, Colley RC, Saunders TJ, Healy GN, Owen N (December 2010). "Physiological and health implications of a sedentary lifestyle". Applied Physiology, Nutrition, and Metabolism. 35 (6): 725–40. doi:10.1139/H10-079. PMID21164543.
de Groot GC, Fagerström L (June 2011). "Older adults' motivating factors and barriers to exercise to prevent falls". Scandinavian Journal of Occupational Therapy. 18 (2): 153–60. doi:10.3109/11038128.2010.487113. PMID20545467.
Tremblay MS, Colley RC, Saunders TJ, Healy GN, Owen N (December 2010). "Physiological and health implications of a sedentary lifestyle". Applied Physiology, Nutrition, and Metabolism. 35 (6): 725–40. doi:10.1139/H10-079. PMID21164543.
de Groot GC, Fagerström L (June 2011). "Older adults' motivating factors and barriers to exercise to prevent falls". Scandinavian Journal of Occupational Therapy. 18 (2): 153–60. doi:10.3109/11038128.2010.487113. PMID20545467.