is eating 1900 cal a day and burning 1000 in the gym healthy
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brianpperkins wrote: »Giving you the benefit of the doubt on your numbers ...
1900 consumed - 1000 exercise burn = 900 calories. From that 900 calories we must now subtract your resting metabolic rate which is going to put you at negative net calories for the day. If that is in fact what you are doing, it is unhealthy.
I'm confused. Isn't being in negative net calories what we're aiming for, a calorie deficit?
Your deficit is already built into your calorie goal. Your goal isn't to be negative net calories, that would me detrimental to your health.
But he isn't in negative net calories on here unless he puts in the calories he burns through BMR as exercise.
You need to eat less calories than you burn, but you also need to fuel your body properly. The prevailing MFP wisdom is you should eat to your calorie goal, plus a portion of your exercise calories, so you get proper nutrition and don't burn out. 900 net is very low. 1200 is usually considered a minimum for females, though it might be a little lower if you are very small and older.0 -
longtimeterp wrote: »yeah i didn't follow that subtracting rmr part either...
I'm glad it's not just me! I've just started a thread on BMR and net calories so I can stop hijacking this one with my curiosity!0 -
lemurcat12 wrote: »karintalley wrote: »A treadmill run burns anywhere from 700 to 800 for an hour.
I wouldn't trust the machine, and I would keep in mind it's gross, not net.
I run about 9-10 min miles in a typical hour long session and burn 600 or less.
I suppose if I ran at race speed for an hour it would be a little more (not 800 calories), but it's much more about bodyweight/miles covered than intensity.
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I'm not using the treadmill alone. I also have a hr monitor. I run about 6 miles in 1 hour on average and I weigh 176 pounds right now. I'm far from athletic but I'm not in terrible shape either. Running 9 miles would take me 90 minutes then. Also. .the times I burn close to 800 is when I get over 7 miles in one hour.0
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Dear Naysayers,
I have lost a pile of weight here, 47# and counting in just under 7 months. I have days where I burn 1000+ and have no reason to disbelieve it. I eat anywhere from 1200 to 1500 calories/day and have been losing 1 to 2#/week. I add 2-300 calories/day to my intake to make up for any discrepancies and am still losing. Hmm. By the way, my diary is closed so don't run to look.0 -
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I am not really sure why people think that burning 1000kcal a day is impossible. When I first started running, my HRM said I burned 550cal in 35minutes.
I think you should try different things and find out what works best for you. Whether that includes not eating them back, eating some back or eating all of them back.0 -
I am not really sure why people think that burning 1000kcal a day is impossible. When I first started running, my HRM said I burned 550cal in 35minutes.
I think you should try different things and find out what works best for you. Whether that includes not eating them back, eating some back or eating all of them back.
No one thinks it is impossible, just not as easy as some claim.
HRMs are not proof of this. There are any number of factors that can affect accuracy.0 -
KristenMarie1181 wrote: »
The machines are not off that much...to me. It's different for different people.
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Is it just me or is everybody freaking out over a general question. All I saw in the OP was "Is eating 1900 calories a day and Burning 1000 in the gym healthy" punctuation saves lives I guess haha0
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mandalynne wrote: »When I first started working out, I was eating about 1600 calories a day. Then I would go into the gym and burn 600-1,000 calories in a working, not realizing that I was only netting about 600-800 calories a day. I was losing weight, but my body fat % was not going down. After working with a trainer, I learned my mistake and now eat my RBM of 1900 calories a day + every calorie burned in the gym. Making most days 2100 - 2500 calories eaten. I'm still losing weight, about 1 lb. a week and my body fat % is now moving down with it.
@mandalynne You’re losing 1lb/week eating 2100-2500 calories a day? Wow. So your TDEE is 2600-3100? That seems very, very high.0 -
upgradeddiddy wrote: »Is it just me or is everybody freaking out over a general question. All I saw in the OP was "Is eating 1900 calories a day and Burning 1000 in the gym healthy" punctuation saves lives I guess haha
I think it's the freaking out over the follow up questions I find most surprising. Simple things like hey man what are you doing to burn those calories?
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Dear Naysayers,
I have lost a pile of weight here, 47# and counting in just under 7 months. I have days where I burn 1000+ and have no reason to disbelieve it. I eat anywhere from 1200 to 1500 calories/day and have been losing 1 to 2#/week. I add 2-300 calories/day to my intake to make up for any discrepancies and am still losing. Hmm. By the way, my diary is closed so don't run to look.
If you eat 1200-1500 and lose 1-2 lb per week, your numbers don't work with a claimed usual exercise burn of 1000. Either your metabolism is terribly low or--more likely--your exercise is less and/or your calories more.
If you just mean you burn 1000 on occasion, no one has doubted that's possible. Of course it is. I usually do a long run of 11-14 miles on the weekend.0 -
I am not really sure why people think that burning 1000kcal a day is impossible.
No one has said that. Someone routinely burning 1000 at the gym (the equivalent of me running 11 miles a day) while eating well under what his likely sedentary burn is seems possibly overstated. In advising him as to whether his activity regimen is unhealthy, it's necessary to know what it is. If he says he's exercising intensely for 2 hours/day, then it probably is unhealthy. If he says he's walking on the treadmill at a mild incline or riding the stationary bike for 60 mins, then no, his burn is overstated but I don't think his calories are necessarily too low.When I first started running, my HRM said I burned 550cal in 35minutes.
HRM are inaccurate for running burns when you first start running. That your heart rate goes up with what's essentially moderate exercise doesn't mean you are actually burning tons more calories than an experienced runner in halfway decent cardiovascular shape. Well more than 10 cal per min even for intense exercise should be treated with suspicion, as should anything close to 10 cal per minute for less intense exercise.
Good calculators for running burns are available and I'd trust them for calories vs. a HRM.
Anyway, OP can check his numbers by comparing them with his losses. Everyone should do that.
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mandalynne wrote: »When I first started working out, I was eating about 1600 calories a day. Then I would go into the gym and burn 600-1,000 calories in a working, not realizing that I was only netting about 600-800 calories a day. I was losing weight, but my body fat % was not going down. After working with a trainer, I learned my mistake and now eat my RBM of 1900 calories a day + every calorie burned in the gym. Making most days 2100 - 2500 calories eaten. I'm still losing weight, about 1 lb. a week and my body fat % is now moving down with it.
@mandalynne You’re losing 1lb/week eating 2100-2500 calories a day? Wow. So your TDEE is 2600-3100? That seems very, very high.
@Emilia777 I eat all of my calories for the day plus all of my exercise calories, averages about 2100 - 2600 a day, my base is 1680. I work out 5-6 days a week, doing 7 classes at the gym. I'm down 40 lbs since mid December, with some very big losses in the beginning.0 -
That’s very exciting! Good job on your efforts. I don’t have the patience for that much gym time, to be completely honest
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That’s very exciting! Good job on your efforts. I don’t have the patience for that much gym time, to be completely honest
Thank you @Emilia777 !! I have a husband who is just as addicted, a personal trainer who is amazing and kids who love the kids club, mixed with awesome gym buddies, it's a good time for me.
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NoIdea101NoIdea wrote: »toniantono2592 wrote: »Why 1000 calories burn in gym seems so strange to all of you?
I burn 1000-1500 calories per day in cycling according my polar rc3
It's not strange. It just takes a long time to achieve it. Most people don't have that kind of time to spend working out.
For example, I'm 5'2 and 20 lbs over weight. It takes me over 3 hours of low grade hiking to hit 900 calories burned, and that's on a good day.
The average person doesn't have 3 hours to dedicate to exercise... every single day.
I can burn 1000 calories a day with the amount of walking around i have to do, to and from work and generally around. In fact, i burn that five days a week! It's not impossible
Me too. That's a walking commute to and from work, a lunchtime walk and trip to the shops after work 0 -
I can't see how 1000 calories burned at the gym can be healthy no matter how much you eat...at least not on a regular basis anyway. I mean, run a marathon every few months if you want but don't do it several times a week.
ETA: I didn't read any replies so I have no idea if my useless comment is even relevant at this point.0 -
If you're truly burning 1000 calories (which I'd doubt) them you should eat more to try to net your minimum 1200 for a woman, 1600 for a man
That's a big gym burn and would take me around 3 hours at a constant high intensity
I don't see why this would be impossible...I burn about 650 cals on the elliptical in an hour and a half. If I went for another 30min, I would prolly be just under 1000 cals burned.
OP: I would not advise continuing this long term. There are days where I eat 1600 and burn more than 600 putting me under 1000cals but this is not on purpose. When I am being more conscientious about it, I try to end the day with no less than 1200-1400 cals net. Less than 1000cals long term could be hurting rather than helping.0 -
Possible, yes.
Hard, yes.
Realistic whilst fuelling yourself with 1900 calories, eeeeek.0
This discussion has been closed.
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