Activity calculator

bibliography

Ainsworth BE, Haskell WL, Whitt MC, et al. Compendium of physical activities: an update of activity codes and MET intensities. Med Sci Sports Exerc. 2000 Sep;32(9 Suppl):S498-504.
American Academy of Family Physicians: Pregnancy and Exercise. familydoctor.org. Last accessed October 17, 2007.
American Cancer Society. www.cancer.org. Last accessed October 17, 2007.
American Heart Association. www.americanheart.org. Last accessed October 17, 2007.
Centers for Disease Control and Prevention: The Importance of Physical Activity. www.cdc.gov. Last accessed October 17, 2007.
Centers for Disease Control: Overweight and Obesity. www.cdc.gov. Last accessed October 17, 2007.
Journal of the American Medical Association. jama.ama-assn.org. Last accessed October 17, 2007.