(null) ACSM's Guidelines for Exercise Testing and Prescription American College of Sports Medicine 8th Edition 2009. Bouchard, C. (2007) Physical Activity and Health, Champaign, IL, Human Kinetics. Sardinha LB & Themudo Barat JL (eds): Lidel – Edições Técnicas, Lisboa, pp. 181-236. U.S. Department of Health and Human Services Physical Activity Guidelines Advisory Committee Report, 2008. http://www.health.gov/PAguidelines/Report/U.S. Department of Health and Human Services. 2008 Physical activity guidelines for Americans: be active, healthy, and happy! http://www.health.gov/paguidelines. www.acsm.org/ www.ideafit.com/ www.aeawave.com/ null