1. Compendium of physical activities: an update of activity codes and MET intensities;Ainsworth;Medicine & Science in Sports & Exercise,2000
2. Clinical trials;Altman,1997
3. ACSM's Guidelines for Exercise Testing and Prescription;American College of Sports Medicine,2006
4. General principles of exercise prescription;American College of Sports Medicine,2006
5. Position stand: physical activity, physical fitness, and hypertension;American College of Sports Medicine position stand;Medicine & Science in Sports & Exercise,1993