References
- Blair , S. N. and Connelly , J. C. 1996 . How much physical activity should we do? The case for moderate amounts and intensities of physical activity . Research Quarterly for Exercise and Sport , 67 : 193 – 205 .
- Blair , S. N. , LaMonte , M. J. and Nichaman , M. Z. 2004 . The evolution of physical activity recommendations: How much is enough? . American Journal of Clinical Nutrition , 79 : 913S – 920S .
- Borg , G. A. V. 1962 . Physical performance and perceived exertion Lund , , Sweden : Gleerup. .
- Bruce , R. A. , Kusumi , F. and Hosmer , D. 1973 . Maximal oxygen intake and nomographic assessment of functional aerobic impairment in cardiovascular disease . American Heart Journal , 85 : 546 – 562 .
- Doherty , M. , Smith , P. M. , Hughes , M. G. and Collins , D. 2001 . Rating of perceived exertion during high-intensity treadmill running . Medicine & Science in Sports & Exercise , 33 : 1953 – 1958 .
- Duncan , A. M. , Francis , D. P. , Gibson , D. G. and Henein , M. Y. 2004 . Limitation of exercise tolerance in chronic heart failure: Distinct effects of left bundle-branch block and coronary artery disease . Journal of the American College of Cardiology , 43 : 1524 – 1531 .
- Duncan , G. E. , Anton , S. D. , Sydeman , S. J. , Newton , R. L. Jr. , Corsica , J. A. , Durning , P. E. and Perri , M. G. 2005 . Prescribing exercise at varied levels of intensity and frequency: A randomized trial . Archives of Internal Medicine , 165 : 2362 – 2369 .
- Duncan , G. E. , Perri , M. G. , Anton , S. D. , Limacher , M. C. , Martin , A. D. , Lowenthal , D. T. and Stacpoole , P. W. 2004 . Effects of exercise on emerging and traditional cardiovascular risk factors . Preventitive Medicine , 39 : 894 – 902 .
- Erikssen , G. , Liestol , K. , Bjornholt , J. , Thaulow , E. , Sandvik , L. and Erikssen , J. 1998 . Changes in physical fitness and changes in mortality . The Lancet , 352 : 759 – 762 .
- Guidelines for exercise testing. A report of the American College of Cardiology/American Heart Association Task Force on Assessment of Cardiovascular Procedures (Subcommittee on Exercise Testing). 1986 . Journal of the American College of Cardiology , 8 : 725 – 738 .
- Kesaniemi , Y. K. , Danforth , E. Jr. , Jensen , M. D. , Kopelman , P. G. , Lefebvre , P. and Reeder , B. A. 2001 . Dose-response issues concerning physical activity and health: An evidencebased symposium . Medicine & Science in Sports & Exercise , 33 : S351 – S358 .
- King , A. C. , Haskell , W. L. , Taylor , C. B. , Kraemer , H. C. and DeBusk , R. F. 1991 . Group-versus home-based exercise training in healthy older men and women: A community based clinical trial . Journal of the American Medical Association , 266 : 1535 – 1542 .
- Kodama , S. , Saito , K. , Tanaka , S. , Maki , M. , Yachi , Y. , Asumi , M and Sone , H. 2009 . Cardiorespiratory fitness as a quantitative predictor of all-cause mortality and cardiovascular events in healthy men and women: A meta-analysis . Journal of the American Medical Association , 20 : 2024 – 2035 .
- Myers , J. , Prakash , M. , Froelicher , V. , Do , D. , Partington , S. and Atwood , J. E. 2002 . Exercise capacity and mortality among men referred for exercise testing . New England Journal of Medicine , 346 : 793 – 801 .
- U.S. Department of Health and Human Services. 2008 . Physical activity guidelines for Americans Retrieved from http://www.health.gov/paguidelines
- Vaz de Almeida , M. D. , Graca , P. , Afonso , C. , D’Amicis , A. , Lappalainen , R. and Damkjaer , S. 1999 . Physical activity levels and body weight in a nationally representative sample in the European Union . Public Health Nutrition , 2 ( 1A ) : 105 – 113 .
- Whaley , M. H. , Brubaker , P. H. , Kaminsky , L. A. and Miller , C. R. 1997 . Validity of ratings of perceived exertion during graded exercise testing in apparently healthy adults and cardiac patients . Journal of Cardiopulmonary Rehabilitation , 17 : 261 – 267 .