1. 1) Kohl HW, Gordon NF, Villegas JA and Blair SN. 1992. Cardiorespiratory fitness, glycemic status, and mortality risk in men. Diabetes Care 15: 184-192.
2. 2) Nagano M, Kai Y, Zou B, Hatayama T, Suwa M, Sasaki H and Kumagai S. 2004. The contribution of cardiorespiratory fitness and visceral fat to risk factors in Japanese patients with impaired glucose tolerance and type 2 diabetes mellitus. Metabolism 53: 644-649.
3. 3) Garber CE, Blissmer B, Deschenes MR, Franklin BA, Lamonte MJ, Lee IM, Nieman DC and Swain DP. 2011. American American College of Sports Medicine position stand. Quantity and quality of exercise for developing and maintaining cardiorespiratory, musculoskeletal, and neuromotor fitness in apparently healthy adults: guidance for prescribing exercise. Med Sci Sports Exerc 43: 1334-1359.
4. 4) Kruger J, Ham SA and Kohl HW. 2005. III. Trends in leisure time physical inactivity by age, sex and race/ethnicity. Morbidity and Mortality Weekly Report 54: pp. 991-994.
5. 5) Martines-Gonzalez MA, Varo JJ, Santos JL, Irala JD, Gibney M, Kearney J and Martinez JA. 2003. Distribution and determinants of sedentary lifestyles in the European Union. Int J Epidemio 32: 138-146.