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Does anyone have any articles that can explain what is happening during a fast in relation to muscle loss and/or/versus fat loss?

There are a number of posts in regards to preventing muscle loss during fasting, but I would like to understand what is actually happening in the body.

For one I would like to know whether it is really true that we burn muscle faster than we do fat, or burn muscle first before fat reserves. These sorts of comments float around all over the place yet without any qualification provided.

Many thanks.

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There are hundreds of scientific published reports over at leangains.com and Martin does a good job of summing them up and linking to them.

Muscle is use it or lose it. If a person does not lift weights and is a carb burner and stops eating, the body will burn stored muscle.

However.

If one does work out, and is a fat burner then muscles will grow, what carbs are eaten will go to glycogen replenishment and fat lbs will fall.

To sum it up, when your low carbing it, your body is burning through dietary fat and stored bodyfat and not muscle protein. If that was the case there would not be any low body fat % muscular people.

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Many thanks, appreciate it. – AlohaSpeck Dec 22 2011 at 17:32
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Bill is wrong on many counts. Although ketosis is an adaptation to lessen protein needs during starvation, simply 'low carbing it' will not guarantee you will not burn through muscle. In fact, you will be hard pressed to find anyone at significantly low body fat who got there with a low carb diet. Carbohydrates are protein sparing due to insulin effects (insulin's not evil). – conciliator Dec 22 2011 at 17:59
No food diet (fasting) = most fat lost VLC = 2nd for fat loss LC= 3rd for fat loss Moderate Carb = Maintenance of fat High Carb = go to any Walmart and see for yourself. – Bill1102inf Dec 22 2011 at 18:36
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This may be what you are looking for:

"The amounts of water, carbohydrates, fat, and protein lost during a 30-day fast"

http://healthcorrelator.blogspot.com/2010/10/amounts-of-water-carbohydrates-fat-and.html

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Awesome article!! – Bill1102inf Dec 22 2011 at 17:57
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If you want to know how to lose weight without exercise then you’re definitely not alone, one of the most discouraging aspects of losing weight and getting in shape is the wide-spread belief that to lose weight you have to exercise. Don’t get me wrong, exercise is extremely important to maintain your health and vitality, and it will help you lose “some” weight if you do it regularly and by all means I urge you to do it, if you can. But does that mean that you can’t lose weight without exercise?

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I understand the urge, and I've probably had it before in the past, but these days, it seems unthinkable. Exercise is a pleasurable part of life now, and I wouldn't give it up, even if I didn't have a goal such as losing fat, or gaining muscle. Doing what's hard, exactly because it's hard, and succeeding at it, is a very powerful motivator to do better and better. And it affects other aspects of life, not just the exercise itself! (As opposed to giving up, being lazy, feeling lame.) – raydawg Dec 25 2011 at 13:01

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