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Intermittent Fasting and Muscle Catabolism

Natural Nutrition

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Intermittent Fasting and Muscle Catabolism

Postby abuwabu » Tue May 06, 2008 9:21 am

Hi Guys

First off, thanks for such a great resource: thought provoking as well as a fine set of exercises. Which brings me to my point...

It only takes an hour of reading on the internet to find out that the bodybuilding/MA priorities for fat loss are:

1. Eat Properly
2. Eat Properly
3. Eat Properly
4. Strength Training
5. Cardio

Nutrition is so important that these guys eat 6 meals a day, never more than 3 hours apart, have a special pre-workout cocktail, spike their insulin with high GI foods and protein directly after their workout to increase muscle sensitivity to glycogen uptake, follow that by a meal about an hour afterwards being careful not to partake in anything that contains fat or fibre (which inhibits the nutrients getting to the muscles) but contains a good whack of carbs, take the vast majority of their carbs in the first three meals of the day... the list goes on.

All this to prevent muscle catabolism while burning fat!

The problem is I'm lazy. Actually I tell people I'm too busy, either way the rigmarole of preparing so many small, delicately balanced meals is too time consuming. So I am interested in giving IF a shot.

My goal though is to lose bodyfat, not weight. I see no merit (personally) in hitting a target weight and still being flabby.

So.... can someone please explain to me how IF doesn't catabolise muscle when you are not eating for such a long time? I was under the impression (and please correct me if I am wrong) that when you sleep your body goes into a catabolic state which is broken by having breakfast. If breakfast isn't until 17:00, doesn't that mean a person is losing muscle all that time?

Thanks to all and keep up the fine work

Adam
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Postby Admin » Tue May 06, 2008 10:12 am

Best place to get a really good answer to that question is http://www.robbwolf.com/ please let us know what you find.
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Postby abuwabu » Wed May 07, 2008 4:56 am

Thanks for the tip. Had a really good look at the site, lots of interesting stuff; but you know how to contact him or post a question? I couldn't find any contact info.
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Postby Darrel » Wed May 07, 2008 8:45 am

You should also take a look at Mike O'Donnell's blog The IF Life.
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Postby skustes » Thu May 08, 2008 7:12 am

Who says that short-term catabolism is a bad thing? When you damage muscles from exercise, wouldn't you want the body to consume them in order to rebuild new muscle fibers? Seems logical to me.

Further, a high-fat diet is protein sparing. Catabolism is a normal physiological process and the body-builder mentality of avoiding it at all costs is not healthful.
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Postby splint » Mon May 12, 2008 11:25 am

I follwed the Warrior Diet for about a month which allows for some eating during the day of veggies and other low-GI foods. I worked out in the morning on an empty stomach. It was a little weird at first but I got used to it and set a few personal records in weight and met-con during the process so losing muscle wasn't a big deal. I also took protein shake after working out. Ultimately, I would eat about 500 calories in a 20 hour period of low-GI berries and veggies and protein shake after the workout and then from 6-10 PM, I'd eat maybe 2000 calories of protein, veggies, fats, and lastly some healthy carbs.

If you're curious I chronicled to experience on my blog (link in profile).
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Postby Admin » Thu Sep 03, 2009 6:23 am

protein input should be based on muscle mass and activity level.
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