Quote:
Originally Posted by viru§™
From what I've been told your body is more likely to burn muscle than fat. Fat is for extreme, like no food for days. If your body has larger muscles than is needed to run then they'll be broken down and used for energy first.
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No your body will dip into its fat reserves as glycogen reserves are depleted. Its 6 of one half a dozen of the other. You are never going to be able to train without cortisol levels rising in response. The body will always trigger cortisol(muscle) and lipase(fat) secretion for metabolism in response to exercise. The degree of each is determined by the intensity of the exercise. It is not possible to train and not have rise in cortisol levels.
There are supplements you can take that will stunt cortisol prduction. The most notable legal one being phosphatidylserine in high doses but when you are doing that you will notice that you gas very quickly.