Exercising on a fast day?

This topic contains 4 replies, has 3 voices, and was last updated by simcoeluv 10 years, 2 months ago.

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MrsBrowne

9:04 pm
9 Sep 14
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Hello. I am new here but have been calorie tracking for quite some time. I wear a fitbit which syncs to myfitnesspal so that when I am extra active in a day (I have little time to exercise but am a preschool teacher so have very active days) if I am more active than what it considers “standard” it will deduct some calories from my total so that I can afford to eat a little more.

So my question is, on days that it does this, should I (can I) be eating the calories back so that I am netting 500, or should I just be sticking purely to 500 consumption regardless of my activity level that day?

Thanks in advance for your advice 🙂

simcoeluv

9:26 pm
9 Sep 14
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Hi Mrs:

Your exercise is included in your TDEE. You do not get to ‘eat more food’ because you exercise.

Good Luck!

MrsBrowne

9:35 pm
9 Sep 14
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Thanks for that. But that’s where I am confused, because some days my TDEE is 1800 and some it is 2200. So if we are supposed to consume 1/4 of our TDEE then shouldn’t I be consuming more like 450 on the 1800 days and 550 on the 2200 days?

I am not looking for an excuse to eat more, trust me, I have been on my weight loss journey for some time now and have lost 37pounds, so I am quite accustomed to restricting myself, I just don’t want to be doing myself a disservice by struggling through a day on 450 calories if I have had a TDEE of 2200+ for the day, likewise if I have a lazy day and sit on the couch all day and only have a TDEE of say 1500 then I don’t want to consume 500 and thereby be overeating.

?

muffin10

10:09 pm
9 Sep 14
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I’m not experienced in this, am only on my third week. But I assumed you worked out one tdee from your general activity in the week, probably not on your higher activity level and work from there. Am sure someone who knows more will let you know if I’m wrong.

simcoeluv

10:14 pm
9 Sep 14
Permalink

Hi:

I think you are putting too much faith in your device and its accuracy (all brands of trackers have been proven to be between 10 and 20% off), and injecting way too much detail and work into a diet. Most people determine their TDEE via a calculator and work from there. The TDEE is an average over time and changes with weight loss and consistent changes in activity, not daily activity variations. The ‘standard’ TDEE provides a stable base from which to modify eating patterns up or down depending on results. With 5:2, you just have to count to 500 calories twice a week and not worry about the other 5 days unless you are not losing weight. Then you need to count calories for a couple of non diet days to see how much you are eating over your TDEE and correct accordingly. It is a very simple way to lose weight.

I guess if you like to fiddle with daily activity fluctuations and caloric intake and usage, it is up to you. But the fact is it all averages out.

Good Luck!