there are three major systems available for the production of energy in the muscles: the ATP-PC system, the anaerobic glycolysis system, and the aerobic system. This review of studies will give a very good indication of what systems are used the most.
http://www.bodybuilding.com/fun/peak35.htm
HOW TO REVIEW: Post Your Review Of This Article - CLICK ON POST REPLY BELOW! You do NOT need to be a registered member to post a reply in this section!