I am much more of a low intensity exerciser than I am a high intensity exerciser. Some people wonder what this means because they kill themselves working out but I would rather exercise in longer boughts of exercise throughout the day instead of killing myself on an elliptical trainer for 30 minutes.

There is a misconception that I believe still exists today: The harder you go on the cardio the more fat you burn. I’ don’t really agree with this at all. If you learn about the basics of the human body and how the energy systems work you find out that it is in fact the opposite.

How fat burning works

Fat burning occurs and peaks during sustained low intensity exercise in the presence of oxygen. This means that when energy is required quickly for short or medium bursts of intense exercise ATP and Glycogen becomes the source of that energy. They can be used instantly and without oxygen resulting in a by-product that everyone has experienced, Lactic Acid. Anaerobic Exercise predominately uses these fuels during brief periods that cannot be sustained. Aerobic Exercise utilizes fat as the dominant fuel because the low amount of intensity is sustainable allowing blood supply to the muscles that is rich in oxygen, fats’ catalyst. Read the rest of this entry »

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