de Groot, Gudrun Cathrine Lindgren; Fagerström, Lisbeth (14 de junho de 2010). «Older adults' motivating factors and barriers to exercise to prevent falls». Scandinavian Journal of Occupational Therapy. 18 (2): 153–160. PMID20545467. doi:10.3109/11038128.2010.487113
Tremblay, Mark Stephen; Colley, Rachel Christine; Saunders, Travis John; Healy, Genevieve Nissa; Owen, Neville (2010). «Physiological and health implications of a sedentary lifestyle». Applied Physiology, Nutrition, and Metabolism. 35 (6): 725–740. doi:10.1139/H10-079
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de Groot, Gudrun Cathrine Lindgren; Fagerström, Lisbeth (14 de junho de 2010). «Older adults' motivating factors and barriers to exercise to prevent falls». Scandinavian Journal of Occupational Therapy. 18 (2): 153–160. PMID20545467. doi:10.3109/11038128.2010.487113