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Old 08-13-21, 09:03 PM  
Jenn R
 
Join Date: Jun 2003
Why exercise doesn’t burn extra calories

https://www.futurity.org/calorie-burning-myths-2541282/

Very interesting information why we don’t lose weight with just exercise. Alan Alda had the researcher on his podcast.
I got his book Burn out from the library. So much I didn’t know about metabolism. I always thought the more I exercise the more calories I would burn. Turns out I was so very wrong.

Jenn
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Old 08-13-21, 09:10 PM  
Jenn R
 
Join Date: Jun 2003
I didn’t notice there was already a post on this
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Old 08-14-21, 12:18 AM  
moonbeam31
 
Join Date: Jan 2005
Wow, this is interesting! Exercise is good for overall health and well being, but really won't help you lose weight, its all about diet.
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Old 08-14-21, 04:30 AM  
Taiga
 
Join Date: May 2006
I think diet definitely has more direct effect on weight loss than exercise but they really over simplify the argument. The right kind of exercise changes appetite and influences hormonal balance in a positive way. So more indirectly, it affects weight loss by shifting the calories an individual wants to consume. A good example would be the effect that exercise has on reducing insulin resistance.

Also, I have read compelling research that some individuals experience more rapid weight loss in response to exercise more than others even when calories are proportionally adjusted. You could argue that those people are in the early stages of the metabolic adaptation mentioned. We have certainly talked about that topic on VF-- newbies to exercise often have more dramatic weight loss than seasoned exercisers (not that other parameters aren't significantly improving for seasoned folks). That initial impetus can motivate and help set up healthy eating patterns.

My bottom line----my body composition is dramatically improved by exercise. I like that they mention losing weight on a calorie controlled twinkie diet. This illustrates the point very well. Give a 1200 calorie twinkie diet vs a 1200 calorie whole foods diet and observe body composition after a year----that will demonstrate the power of hormones. They mention that ultra processed foods tend to make us hungry/over-consume but they don't focus on the hormonal aspect of that and the effects of those hormones on body composition.
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Old 08-14-21, 04:48 AM  
Jenn R
 
Join Date: Jun 2003
The book definitely goes into the research more deeply. Was a really worthwhile read. It talked about Olympic athletes like Michael Phelps who have reported to eat 6000 calories a day - apparently the average person can only digest around 4500 calories a day. Our bodies can not process more then that daily.
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Old 08-14-21, 06:50 AM  
Jane P.
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Join Date: Oct 2001
Location: Colorado Springs
Michael was probably swimming 6 to 8 hours a day at the height of his training. Also young males can eat the house down. They have amazing metabolisms in their late teens and early twenties.
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Old 08-14-21, 10:58 AM  
gladgirl
 
Join Date: Oct 2006
Smile

Did they talk about weights? Sometimes "exercise" might mean just aerobic.

I find when I am able to be consistent in my workouts/exercise; I am more consistent in the "diet" part. The two work the best for weightloss, for me.
When I am consistent in only one area the other suffers. I do lose weight when I follow a food plan and don't exercise regularly. But when I do both, I lose weight, feel great, and get good blood work!
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Old 08-14-21, 11:27 AM  
Scorpio6
 
Join Date: Jul 2009
Location: St. Louis MO
Personally I think this is a load of BS. My husband 6 yrs ago started out at 380 lbs. He started going to the gym and walking on the treadmill. He started with the treadmill flat and could barely do 15 min. 6 yrs later, he is down to 172 and the treadmill is up to maximum incline and he can go for 1 hr 20 min.

The only thing that changed with his diet is he reduced his carb intake, everything else was normal. Now he has begun to incorporate weight lifting to his exercise.
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Old 08-14-21, 11:33 AM  
moonbeam31
 
Join Date: Jan 2005
I agree with you guys! This is a narrow study.
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Old 08-14-21, 03:59 PM  
JackieB
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Join Date: May 2005
Location: Minnesota
We've all heard the saying that "you can't outrun a bad diet".

I love following some women in the body building industry (even though I don't lift weights much). I am shocked at how little time they spend in the gym. It's all about your fuel...they spend a lot of time eating quality nutrients.

I think it's almost naive to think you can fuel your body poorly and expect "results".
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