1

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non-Insulin dependent glucose uptake window after exercise, how long?

Answered on August 19, 2014
Created October 05, 2012 at 10:35 AM

How long does it last? Is this whats known as the glycogen window? How does caffeine affect it?

Medium avatar

(2417)

on October 06, 2012
at 11:07 PM

Well, the reason I asked the question is because when I extend my fasting for an hour or few after training before having my post workout meal, then 2-4hrs after that PWO meal I get ravenously hungry, when normally I'm fine to go 8 hours between meals. If I have caffeine in my system, taken while fasting and before training, then this effect is significantly intensified; the caffeine make me feel like extending the fast PWO then my blood sugar crashes hard 2-4 after that delayed PWO meal. Bottom line, why is it I have to eat immediately after training?

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2 Answers

1
1ec4e7ca085b7f8d5821529653e1e35a

(5506)

on October 05, 2012
at 12:13 PM

While I can't give you a correct or full answer to your question, I suggest you check out www.dangerouslyharcore.com and either get the book or read what Keifer has written.

Also check out this article that describes it more in laymans terms: http://www.silverhydra.com/2011/02/cheat-mode-in-depth-carb-backloading/

From what I recall from the book, men have something like a 6 hour window post resistance exercise but it is shorter for women.

0
64433a05384cd9717c1aa6bf7e98b661

(15236)

on October 06, 2012
at 03:23 AM

You're thinking of GLUT4 transporters, which are expressed more after exercise and allow muscle glycogen to be refilled faster. I don't think there is a set time we can say it lasts for. It's gradual, and will depend on the person, type of exercise, type of refeeding, etc

Medium avatar

(2417)

on October 06, 2012
at 11:07 PM

Well, the reason I asked the question is because when I extend my fasting for an hour or few after training before having my post workout meal, then 2-4hrs after that PWO meal I get ravenously hungry, when normally I'm fine to go 8 hours between meals. If I have caffeine in my system, taken while fasting and before training, then this effect is significantly intensified; the caffeine make me feel like extending the fast PWO then my blood sugar crashes hard 2-4 after that delayed PWO meal. Bottom line, why is it I have to eat immediately after training?

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