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Author Topic: Fasted state training burns fat, spares glycogen, new study shows...  (Read 2115 times)
WOOO
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« on: January 18, 2013, 06:46:27 AM »

Fasted state training burns fat, spares glycogen, new study shows.

Old news, new study.

http://www.ncbi.nlm.nih.gov/pubmed/23313101

Effects of post-absorptive and postprandial exercise on 24h fat oxidation.

Source
Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan 305-8574.

Abstract

OBJECTIVE:
Fat oxidation during exercise depends on nutritional state, and exercise performed in the post-absorptive state oxidizes more fat than that performed in the postprandial state. However, the effects of exercise on energy metabolism continue during the post-exercise period, and the difference in fat oxidation during exercise may be compensated for during the post-exercise period. The present study compared the effects of an acute exercise bout in the post-absorptive or postprandial state on 24h fat oxidation.

METHODS:
Twelve young male athletes stayed twice in a room-size metabolic chamber for 24h indirect calorimetry in a randomized repeated-measure design. Before or after breakfast, i.e. in the post-absorptive or postprandial state, subjects exercised at 50% VO(2) max for 60min.

RESULTS:
During the 60min of exercise, energy expenditure in the two exercise trials were equivalent, but exercise in the post-absorptive state was performed with lower RQ compared with that in the postprandial state (P<0.01). The time of exercise relative to breakfast did not affect 24h energy expenditure (P>0.5). However, accumulated 24h fat oxidation was higher (P<0.05) and that of carbohydrate oxidation was lower (P<0.05) when exercise was performed in the post-absorptive state.

CONCLUSIONS:
Compared with exercise performed in the postprandial state, exercise performed in the post-absorptive state oxidized more fat and saved more carbohydrate in the body, without affecting 24h energy expenditure.

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Soul Crusher
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« Reply #1 on: January 18, 2013, 06:54:42 AM »

for idiots like myself - what would this translate into as far fas diet and exercise in setting up a schedule?
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WOOO
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« Reply #2 on: January 18, 2013, 06:57:35 AM »

for idiots like myself - what would this translate into as far fas diet and exercise in setting up a schedule?

a certified personal trainer at your local Y should be able to point you in the right direction
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Soul Crusher
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« Reply #3 on: January 18, 2013, 06:59:54 AM »

a certified personal trainer at your local Y should be able to point you in the right direction

Not really - I'm in better shape than most of the trainers at my gym as it is. 

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Donny
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« Reply #4 on: January 18, 2013, 07:26:53 AM »

Just ask Galeniko .. if he canīt get you ripped...no one will !! Grin
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« Reply #5 on: January 18, 2013, 09:30:34 AM »

morning cardio has always worked for me best......... no real news here
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« Reply #6 on: January 18, 2013, 10:47:07 AM »

morning cardio has always worked for me best......... no real news here
I struggle with it early morning i always do it evenings..or straight after a workout.
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WOOO
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« Reply #7 on: January 18, 2013, 07:22:14 PM »

morning cardio has always worked for me best......... no real news here


works for me too... i roll out of bed and onto the elliptical... 60 minutes or more and i'm ready to start my day
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dj181
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« Reply #8 on: January 18, 2013, 07:41:07 PM »


works for me too... i roll out of bed and onto the elliptical... 60 minutes or more and i'm ready to start my day

what's your bodyfat level?
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Roger Bacon
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« Reply #9 on: January 18, 2013, 08:52:02 PM »

a certified personal trainer at your local Y should be able to point you in the right direction

haha!!

Posts like this are why we keep you around!  Grin
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Soul Crusher
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« Reply #10 on: January 18, 2013, 08:54:51 PM »

haha!!

Posts like this are why we keep you around!  Grin

I'm in fucking great shape now.   
any gym i step in to now i am in top 5% f people as it is 
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WOOO
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« Reply #11 on: January 19, 2013, 06:48:34 AM »

I'm in fucking great shape now.   
any gym i step in to now i am in top 5% f people as it is 

we know magikusar... you went from skinny fat to uber fit in 4 weeks doing bodyweight exercises
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Soul Crusher
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« Reply #12 on: January 19, 2013, 06:56:59 AM »

we know magikusar... you went from skinny fat to uber fit in 4 weeks doing bodyweight exercises

Lol.   I competed in 5 shows, track n field, did MMA for years, BJJ, lifting for 20 years etc. 

I could be ready for a show in 6 weeks if I had to.
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WOOO
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« Reply #13 on: January 19, 2013, 10:45:10 AM »

I used to work out at Gold's Yonkers Ave., back in the day.  Its right near the Bronx border and there were a lot of guys like that.  Wraps, chalk, bags, belts, etc, all for a few half reps in a cage, sort of like Kamali.   

However, there were tons of gorillas back then over there.  They changed to Planet Fitness and threw me out the second day because they said I was not the image they wanted.
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Soul Crusher
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« Reply #14 on: January 19, 2013, 10:52:16 AM »



I been at this since the mid 90's newb
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WOOO
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« Reply #15 on: January 19, 2013, 05:12:49 PM »

I been at this since the mid 90's newb

Quote from: 333386

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40 date=1227121160
Damn right.  I did not vote for

obama, but he is the president of the

USA and I back him 1000000000%

against all our enemies wherever they

may be.
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Meso_z
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« Reply #16 on: January 22, 2013, 07:46:40 AM »

How many hours does it take for your body to enter in a 'fasted' state? Is 6 hours enough with the last meal being something light?
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WOOO
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« Reply #17 on: January 22, 2013, 08:46:09 AM »

How many hours does it take for your body to enter in a 'fasted' state? Is 6 hours enough with the last meal being something light?

A blood glucose monitor can help determine this but a ketone tester is more accurate. 12 hours is the standard I believe.
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Meso_z
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« Reply #18 on: January 24, 2013, 08:06:51 AM »

Ok, thanks Smiley
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dj181
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« Reply #19 on: January 24, 2013, 10:00:13 AM »

supposedly one can go bout 60 hours in a fasted state before it becomes a catabolic state
 
they talk about this on the leangains site
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WOOO
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« Reply #20 on: January 25, 2013, 04:46:27 AM »

supposedly one can go bout 60 hours in a fasted state before it becomes a catabolic state
 
they talk about this on the leangains site


a catabolic state is a marketing invention... same as an anabolic state... both are misnomers... your body doesn't work that way

more accurate ways to view the body are in a starved state or a fed state... but people have built muscle in both states and lost muscle in both states

there is a shit load more involved in gaining/losing weight than just food (stresslevel or BMR for example)

berkhan has some good ideas but he's not a genius
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