Watch this guy’s videos and you will learn to position yourself on how to maintain:
http://www.youtube.com/watch?v=--xlfb5BXZ4&feature=related
Exercise physiology finally explained. When oxygen isn’t pumping enough red blood cells to the glucose muscles, it shuts down:
http://www.youtube.com/watch?v=ilmw8_2MGUc&feature=related
Grapes are very essential because they have a lot of water in them. By water, I mean H20:
http://www.youtube.com/watch?v=Rs64VJSU2Rw
Anabolic endurance for the 200m: