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From:	Christopher Paulin (68.9.30.54)
Subject:	Re: Aerobic vs anaerobic training
Date:	January 14, 2012 at 7:27 pm PST

In Reply to: Aerobic vs anaerobic training posted by t on January 13, 2012 at 9:53 am:

I just read in "The New Rules of Lifting, Six Basic Moves for Maximum Muscle" about three ways to generate energy:

Phosphagen system uses adenosine triphosphate (ATP) and creatine phosphate (CP) for short, intense bursts of speed and power. This lasts up to ten seconds.

Anaerobic glycolysis breaks down glycogen, the sugar molecule in your muscles, and produces lactate as a byproduct. The lactate can be used for muscle fuel. This lasts up to sixty seconds for most people.

Aerobic metabolism uses oxygen to burn a combination of fat and glycogen to produce energy. You use this all the time, at rest or in motion.

Your body uses a combination of these. For example, when walking, you're using the aerobic energy. Then, if you start to run, the first few steps are from the phosphagen system. Then the glycolytic system starts. Then your aerobic system starts delivering more oxygen.

So, what do you do for exercise? Doug Graham keeps it simple: lift and jog. Lift for building muscle, and jog for quick movement. In both cases, your body is adapting to the demand that you place on it. Overload, refuel, and recover (rest). Repeat.

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