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RE: *** The Dietary Fat Topic *** - Apr. 14 2008 8:09:07
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Tony Barnes
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Nice idea putting them all together James
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*** The Dietary Fat Topic *** - Apr. 17 2008 9:01:58
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1MR
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Should be a good thread this, I'll keep my head in and see what comes of it
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RE: *** The Dietary Fat Topic *** - Apr. 19 2008 17:10:11
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fraser
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I've heard people using the phrase 'fat-adapted' when discussing diet. Does the body undergo a physiological transition where the problems of lo-carb and keto diets for BBers and athletes no longer matter?
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RE: *** The Dietary Fat Topic *** - Apr. 19 2008 18:33:21
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Nigeepoo
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When serum ketone level becomes significant, tissues burn more ketone and less glucose. This reduces carb usage by the body when exercising aerobically. Anaerobic exercise still burns a lot of carbs. It takes a while (2 weeks, perhaps) for tissues to become acclimatised to running on ketone instead of glucose. Once acclimatised, the body runs fine.
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RE: *** The Dietary Fat Topic *** - Apr. 19 2008 18:50:40
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fraser
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What effect does this have on sports performance? Is it possible to perform at the same standard running on fats once your body has acclimatised?
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RE: *** The Dietary Fat Topic *** - Apr. 19 2008 19:26:20
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Nigeepoo
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Don't ask me....I don't have any sports performance! I've read that for ultra-marathons, fat-adaptation gives better results than carb-adaptation (as glycogen runs out but body-fat doesn't).
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RE: *** The Dietary Fat Topic *** - Apr. 21 2008 15:14:00
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drewsky
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What type of sport?
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RE: *** The Dietary Fat Topic *** - Apr. 21 2008 22:28:29
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fraser
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Didn't have a specific sport in mind drew... i've never been that enthusiastic about low carb diets to be honest! Just out of interest i'd be interested in the differences between a 'fat acclimatised individual' vs a 'carb acclimatised individual' in my main activities: weight-lifting, boxing and sprinting. I guess a lot of it is determined by their own substrate utilisation and overall cals, amongst other factors too
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RE: *** The Dietary Fat Topic *** - Apr. 21 2008 23:29:57
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Nigeepoo
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Weight-lifting, boxing and sprinting are all carb-hungry activities so you won't do so well on a low-carb/keto diet.
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RE: *** The Dietary Fat Topic *** - Apr. 21 2008 23:34:51
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fraser
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i can't get my head around it... if someone is totally acclimatised to fat-usage instead of carbs- can't they perform at the same level they would burning carbs? say...... a boxing inuit, for example
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RE: *** The Dietary Fat Topic *** - Apr. 21 2008 23:36:44
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Nigeepoo
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Anaerobic exercise always burns carbs....no matter how fat-adapted you are.
< Message edited by Nigeepoo -- Apr. 22 2008 0:32:53 >
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RE: *** The Dietary Fat Topic *** - Apr. 21 2008 23:45:26
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fraser
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So your body adapts to burn fat at certain heart-rates, but not above a certain point... i think
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