McArdle W, et al. (1991). In Exercise Physiology: Energy, Nutrition and Human Performance, 3rd ed. Malvern, PA: Lea and Febiger.
© 1995-2007, Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
This information is not intended to replace the advice of a doctor. By using AOL Body, you indicate that you have read, understood, and agreed to our Terms of Service, and AOL Body Advertising Policy. Read more about our content partners.
If you're experiencing aches and pains we can help you find answers. Find out what your symptoms mean for your health.
Has 'Fast Times' cast stood test of time?
Do sexy celebs on covers go too far?
Expert help with best burger toppings ever.
Fans pick their favorite guilty pleasure flicks.
Amazing skull, huge diamond -- too crazy to sell?