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A Review of the Body's Energy Systems for Fitness and Athletics

I've been talking a lot lately about using the right form of energy system work (cardio) to get in peak condition for your chosen exercise activity. For example, one of the dumbest things I see in sports training is football coaches sending their linemen on 1-3 mile runs, and timing them! As far as their sport conditioning goes, that's pointless to the point of counterproductive. Since I've been harping on it I thought I'd give a quick overview of the body's four energy systems, the fuels used, and give an example.The Creatine-Phosphate System (C-P System): The Creatine-Phosphate System, sometimes called the Phosphagen System is the body's fastest form of energy. It provides energy for extremely intense, short-term activities like heavy resistance training and sprinting that last...