Counting macros
Replies
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lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »don't eat your exercise calories back. this function on MFP is as a dumb as a bag of spanners. Your apple watch is not accurate. Niether are any of those fitbits etc. Just eat your calorie goal and if you are losing too much then change your activity level on the settings.
How is it dumb? MFP gives you a calorie goal assuming that you aren't doing any intentional exercise. If you move more than anticipated when calculating your calorie goal, it seems like the smart thing to do is to consider that.
only if you have an acurate way of measuring it. which nobody does. it muddys the waters and creates even more inacuracy in an already inacurate field. weighing and measuring food is still a guestimate so adding in tracking your exercise makes it even worse.
the whole way mfp is set up is pretty awful to be fair and extremely basic. i dont want to get in amongst the weeds here but this isnt just my view. it's the view of many well known fitness experts.
I have a very accurate way to measure my exercise calories - does that make me Mr Nobody?
And it's actually a false argument that you need accuracy - reasonable is good enough for purpose.
You seem to be suggesting a TDEE method which includes an upfront estimate of your average type, duration and intensity of exercise. That it can also work, really underlines reasonable estimates with the common sense to adjust based on results over time is plenty good enough for purpose.
what is your "accurate way of measuring"?
Nope i dont suggest that either. I am simply stating that there is no need or practicality to tracking your exercise. it over complicates it.
the TDEE method is SIMPLE and works well if you are sensible about it.
the problem with MFP is it only takes into consideration your activity level not your daily movement.
MFP is just a calorie tracker, not a coach.
The problem with tracking exercise is there are many factors which need to be considered to make it accurate.
using an apple watch is not.
TDEE is just another way of accounting for exercise. It's six of one, half dozen of another.
exactly! so why track your exercise as well as TDEE if it does it so well?
Wait. Are you under the impression that NEAT (MFP's method) is TDEE plus exercise?
No.
You're confused because you don't understand how MFP works. NEAT isn't TDEE with exercise added on top.
Both account for exercise. If you're fine with estimating calories burnt through exercise when someone is using TDEE, then it's completely illogical to somehow assume that NEAT is less accurate.
are you kidding me?! you are making yet a another asumption here. I did not say that. please tell me where i wrote that? it's ok i'll wait....
i am fully fully aware of what these are. i have a qualification to prove that. Plus around 6 years of helping others achieve thier goals so i think i know what i am talking about thank you.
my point is that TDEE is as you said a way of "accounting for exercise." so why do it twice if the origional works.
I don't know what your qualifications are, but your posts are revealing that you don't seem to understand now NEAT works.
Nobody is talking about "doing it twice." TDEE and NEAT are two different methods. If you think that TDEE can work well for someone, then NEAT also has the potential to work well because BOTH involve estimating calorie burns from activity. It is nonsensical to believe that estimating will work with TDEE but somehow be less accurate with NEAT.5 -
janejellyroll wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »don't eat your exercise calories back. this function on MFP is as a dumb as a bag of spanners. Your apple watch is not accurate. Niether are any of those fitbits etc. Just eat your calorie goal and if you are losing too much then change your activity level on the settings.
How is it dumb? MFP gives you a calorie goal assuming that you aren't doing any intentional exercise. If you move more than anticipated when calculating your calorie goal, it seems like the smart thing to do is to consider that.
only if you have an acurate way of measuring it. which nobody does. it muddys the waters and creates even more inacuracy in an already inacurate field. weighing and measuring food is still a guestimate so adding in tracking your exercise makes it even worse.
the whole way mfp is set up is pretty awful to be fair and extremely basic. i dont want to get in amongst the weeds here but this isnt just my view. it's the view of many well known fitness experts.
I have a very accurate way to measure my exercise calories - does that make me Mr Nobody?
And it's actually a false argument that you need accuracy - reasonable is good enough for purpose.
You seem to be suggesting a TDEE method which includes an upfront estimate of your average type, duration and intensity of exercise. That it can also work, really underlines reasonable estimates with the common sense to adjust based on results over time is plenty good enough for purpose.
what is your "accurate way of measuring"?
Nope i dont suggest that either. I am simply stating that there is no need or practicality to tracking your exercise. it over complicates it.
the TDEE method is SIMPLE and works well if you are sensible about it.
the problem with MFP is it only takes into consideration your activity level not your daily movement.
MFP is just a calorie tracker, not a coach.
The problem with tracking exercise is there are many factors which need to be considered to make it accurate.
using an apple watch is not.
TDEE is just another way of accounting for exercise. It's six of one, half dozen of another.
exactly! so why track your exercise as well as TDEE if it does it so well?
Wait. Are you under the impression that NEAT (MFP's method) is TDEE plus exercise?
No.
You're confused because you don't understand how MFP works. NEAT isn't TDEE with exercise added on top.
Both account for exercise. If you're fine with estimating calories burnt through exercise when someone is using TDEE, then it's completely illogical to somehow assume that NEAT is less accurate.
are you kidding me?! you are making yet a another asumption here. I did not say that. please tell me where i wrote that? it's ok i'll wait....
i am fully fully aware of what these are. i have a qualification to prove that. Plus around 6 years of helping others achieve thier goals so i think i know what i am talking about thank you.
my point is that TDEE is as you said a way of "accounting for exercise." so why do it twice if the origional works.
I don't know what your qualifications are, but your posts are revealing that you don't seem to understand now NEAT works.
Nobody is talking about "doing it twice." TDEE and NEAT are two different methods. If you think that TDEE can work well for someone, then NEAT also has the potential to work well because BOTH involve estimating calorie burns from activity. It is nonsensical to believe that estimating will work with TDEE but somehow be less accurate with NEAT.
Isn't NEAT part of TDEE?0 -
janejellyroll wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »don't eat your exercise calories back. this function on MFP is as a dumb as a bag of spanners. Your apple watch is not accurate. Niether are any of those fitbits etc. Just eat your calorie goal and if you are losing too much then change your activity level on the settings.
How is it dumb? MFP gives you a calorie goal assuming that you aren't doing any intentional exercise. If you move more than anticipated when calculating your calorie goal, it seems like the smart thing to do is to consider that.
only if you have an acurate way of measuring it. which nobody does. it muddys the waters and creates even more inacuracy in an already inacurate field. weighing and measuring food is still a guestimate so adding in tracking your exercise makes it even worse.
the whole way mfp is set up is pretty awful to be fair and extremely basic. i dont want to get in amongst the weeds here but this isnt just my view. it's the view of many well known fitness experts.
I have a very accurate way to measure my exercise calories - does that make me Mr Nobody?
And it's actually a false argument that you need accuracy - reasonable is good enough for purpose.
You seem to be suggesting a TDEE method which includes an upfront estimate of your average type, duration and intensity of exercise. That it can also work, really underlines reasonable estimates with the common sense to adjust based on results over time is plenty good enough for purpose.
what is your "accurate way of measuring"?
Nope i dont suggest that either. I am simply stating that there is no need or practicality to tracking your exercise. it over complicates it.
the TDEE method is SIMPLE and works well if you are sensible about it.
the problem with MFP is it only takes into consideration your activity level not your daily movement.
MFP is just a calorie tracker, not a coach.
The problem with tracking exercise is there are many factors which need to be considered to make it accurate.
using an apple watch is not.
TDEE is just another way of accounting for exercise. It's six of one, half dozen of another.
exactly! so why track your exercise as well as TDEE if it does it so well?
Wait. Are you under the impression that NEAT (MFP's method) is TDEE plus exercise?
No.
You're confused because you don't understand how MFP works. NEAT isn't TDEE with exercise added on top.
Both account for exercise. If you're fine with estimating calories burnt through exercise when someone is using TDEE, then it's completely illogical to somehow assume that NEAT is less accurate.
are you kidding me?! you are making yet a another asumption here. I did not say that. please tell me where i wrote that? it's ok i'll wait....
i am fully fully aware of what these are. i have a qualification to prove that. Plus around 6 years of helping others achieve thier goals so i think i know what i am talking about thank you.
my point is that TDEE is as you said a way of "accounting for exercise." so why do it twice if the origional works.
I don't know what your qualifications are, but your posts are revealing that you don't seem to understand now NEAT works.
Nobody is talking about "doing it twice." TDEE and NEAT are two different methods. If you think that TDEE can work well for someone, then NEAT also has the potential to work well because BOTH involve estimating calorie burns from activity. It is nonsensical to believe that estimating will work with TDEE but somehow be less accurate with NEAT.
Isn't NEAT part of TDEE?
Yes, but not in the sense that someone is doing something "twice" if they decide to use NEAT.1 -
lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »don't eat your exercise calories back. this function on MFP is as a dumb as a bag of spanners. Your apple watch is not accurate. Niether are any of those fitbits etc. Just eat your calorie goal and if you are losing too much then change your activity level on the settings.
How is it dumb? MFP gives you a calorie goal assuming that you aren't doing any intentional exercise. If you move more than anticipated when calculating your calorie goal, it seems like the smart thing to do is to consider that.
only if you have an acurate way of measuring it. which nobody does. it muddys the waters and creates even more inacuracy in an already inacurate field. weighing and measuring food is still a guestimate so adding in tracking your exercise makes it even worse.
the whole way mfp is set up is pretty awful to be fair and extremely basic. i dont want to get in amongst the weeds here but this isnt just my view. it's the view of many well known fitness experts.
I have a very accurate way to measure my exercise calories - does that make me Mr Nobody?
And it's actually a false argument that you need accuracy - reasonable is good enough for purpose.
You seem to be suggesting a TDEE method which includes an upfront estimate of your average type, duration and intensity of exercise. That it can also work, really underlines reasonable estimates with the common sense to adjust based on results over time is plenty good enough for purpose.
what is your "accurate way of measuring"?
Nope i dont suggest that either. I am simply stating that there is no need or practicality to tracking your exercise. it over complicates it.
the TDEE method is SIMPLE and works well if you are sensible about it.
the problem with MFP is it only takes into consideration your activity level not your daily movement.
MFP is just a calorie tracker, not a coach.
The problem with tracking exercise is there are many factors which need to be considered to make it accurate.
using an apple watch is not.
TDEE is just another way of accounting for exercise. It's six of one, half dozen of another.
exactly! so why track your exercise as well as TDEE if it does it so well?
Wait. Are you under the impression that NEAT (MFP's method) is TDEE plus exercise?
No.
You're confused because you don't understand how MFP works. NEAT isn't TDEE with exercise added on top.
Both account for exercise. If you're fine with estimating calories burnt through exercise when someone is using TDEE, then it's completely illogical to somehow assume that NEAT is less accurate.
are you kidding me?! you are making yet a another asumption here. I did not say that. please tell me where i wrote that? it's ok i'll wait....
i am fully fully aware of what these are. i have a qualification to prove that. Plus around 6 years of helping others achieve thier goals so i think i know what i am talking about thank you.
my point is that TDEE is as you said a way of "accounting for exercise." so why do it twice if the origional works.
TDEE works great if your exercise is regular and routine. It's what I use...but I found the NEAT method very beneficial when I started out years ago and didn't really exercise all that much...certainly wasn't regular or routine...so getting some additional calories on days that I chose to exercise was nice and it also taught me how to fuel my activity and understand my calorie needs better.
I didn't find it particularly confusing or difficult. I switched to TDEE when my exercise became more a matter of daily routine than just a few times per week. It's really not that friggin' hard to reasonably estimate exercise calories...it doesn't have to be perfect. TDEE is just an estimate as well.
As a cyclist I actually have a very accurate way to gauge my energy expenditure...it's called a power meter. Before that though, it really wasn't that difficult to determine a reasonable estimate and I wasn't really that far off from what I now get with a power meter.
I don't really understand your comment about doing something twice...NEAT is a part of TDEE...you aren't doing anything twice.4 -
lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »don't eat your exercise calories back. this function on MFP is as a dumb as a bag of spanners. Your apple watch is not accurate. Niether are any of those fitbits etc. Just eat your calorie goal and if you are losing too much then change your activity level on the settings.
How is it dumb? MFP gives you a calorie goal assuming that you aren't doing any intentional exercise. If you move more than anticipated when calculating your calorie goal, it seems like the smart thing to do is to consider that.
only if you have an acurate way of measuring it. which nobody does. it muddys the waters and creates even more inacuracy in an already inacurate field. weighing and measuring food is still a guestimate so adding in tracking your exercise makes it even worse.
the whole way mfp is set up is pretty awful to be fair and extremely basic. i dont want to get in amongst the weeds here but this isnt just my view. it's the view of many well known fitness experts.
Assuming you're burning 0 calories through exercise (which is what you're recommending) is going to be the least accurate way to measure.
I don't know of any fitness experts who recommend that we ignore the calories we burn through exercise. Who are you referring to here?
Take me for example. As a sedentary person, I need about 1,460 calories a day to maintain my weight. Through tracking my intake and results, I know that my activities actually add about 600 calories to my average day, so I need closer to 2,000 calories to maintain my weight. I would not be better off if I ate 1,460 calories a day.
By tracking my results over time, I have confidence that I am accurately measuring. If I'm not seeing the results I want, I can adjust appropriately. The average person is far better off assuming their exercise burns calories and then making adjustments as necessary instead of following your advice to assume they are not burning any calories through exercise.
Then you dont know any fitness experts, i know many. Layne Norton would be one.
i didn't say you dont burn calories through exercise. Of course you burn calories, you burn calories just breathing.
what i am saying is that it is impossible to accurately log your calories burn't. why add that to the mix when you can remove it entirely and track you weighloss/gain via calories alone.
If Layne Norton would tell me to eat 1,460 calories a day when my results show that I need at least 2,000 to maintain my weight, then I would not consider his fitness advice to be reliable.
You can't track your weight loss and gain via "calories alone" if you ignore the calories you're actually using each day. Part of using calorie tracking to manage your weight is an accurate assessment of how many calories you're actually using. There are a number of ways to account for the calories used during exercise. MFP's is one of them. Deciding not to pay attention to calories burnt through exercise is guaranteed to be the least accurate method of accounting for them, which is why it's bizarre to see you recommend that we not pay attention to them due to concerns about accuracy.
If accuracy is a concern, then you will always want to assume SOME calories are burnt through exercise.
*face palm*
people can and do track their weight loss via calories alone. calories are a measurement of energy.
lets just clear something up here...
reasons why tracking exercise is pointless...
1. your body and the rate it burns calories changes dependant many factors. - how hard you train in that session, how much muscle you have build or lost in the last week etc etc.
2. a peice of electronics on your arm who doesn't know your genetics or metabolsim is not going to be able track the calories you burn. it just can't
3. if you exercise regularly then your body will become acustom to this exercise and will no longer burn as many calories and it becomes more efficient at this exercise.
4. all of these factors (there are more) make it like stabbing in the dark)
measuring with just calories...
set calories. measure weight. eat calories, re measure weight. if there is a large loss add calories if there is no loss deduct calories.
Calories are a measurement of energy. In order to use calories for weight management, calories OUT are as important as calories IN. I need to have some baseline understanding of how many calories I need to maintain my current weight in order to set a calorie goal.
I've been using MFP's NEAT method for six years now and my weight has behaved exactly as I would have expected. Accounting for exercise allows me to easily manage my weight though times when I'm exercising more or less than usual. All our estimates of calories in and out are just estimates, but the truth is that it isn't "stabbing in the dark," they're estimates that we can measure the results of and adjust as necessary.
You prefer to start with a generic assumption that no energy is burnt through activity, others prefer to account for that. Assuming that SOME calories are burnt when I run five miles isn't "pointless," it's just common sense.
good for you.
however, the problem lies in others. you are not the OP and in my experience in dealing with many people they are not interested tracking anything. they see it all as a pain in the a** so adding extra stress to an already confusing system is just setting up people to fail. not all people. just a lot of people. its about removing road blocks and making it a cookie cutter as it can be when the reality is there are many factors at play.
if tracking NEAT works for you then fantastic. But i dont know many if any pro BB or strength athletes who track thier exercise back because it just creates more problems than its worth. They are do pretty well working from simple calorie cylcling from a goal.
A key difference between me and pro BB and strength athletes is that presumably they have a consistent, predictable exercise schedule, where mine is seasonal and weather dependent.
My exercise varies from zero to 1/3 or more of my day’s calorie expenditure, in ways that don’t necessarily average over a week.
For someone like me, learning to estimate exercise (reasonably but not necessarily perfectly) has been a really powerful approach, both for weight management and the dietary side of exercise performance. I can eat the exercise calories the same day, or over several days, if I choose.
Either consistent daily calories, or separately logged exercise can work, and neither is rocket surgery. People are smart enough to understand the difference, and choose which works best for them, IMO. I think both methods are valid, may be useful, depending on a person’s preferences and circumstances.lukejoycePT wrote: »penguinmama87 wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »don't eat your exercise calories back. this function on MFP is as a dumb as a bag of spanners. Your apple watch is not accurate. Niether are any of those fitbits etc. Just eat your calorie goal and if you are losing too much then change your activity level on the settings.
How is it dumb? MFP gives you a calorie goal assuming that you aren't doing any intentional exercise. If you move more than anticipated when calculating your calorie goal, it seems like the smart thing to do is to consider that.
only if you have an acurate way of measuring it. which nobody does. it muddys the waters and creates even more inacuracy in an already inacurate field. weighing and measuring food is still a guestimate so adding in tracking your exercise makes it even worse.
the whole way mfp is set up is pretty awful to be fair and extremely basic. i dont want to get in amongst the weeds here but this isnt just my view. it's the view of many well known fitness experts.
I have a very accurate way to measure my exercise calories - does that make me Mr Nobody?
And it's actually a false argument that you need accuracy - reasonable is good enough for purpose.
You seem to be suggesting a TDEE method which includes an upfront estimate of your average type, duration and intensity of exercise. That it can also work, really underlines reasonable estimates with the common sense to adjust based on results over time is plenty good enough for purpose.
what is your "accurate way of measuring"?
Nope i dont suggest that either. I am simply stating that there is no need or practicality to tracking your exercise. it over complicates it.
the TDEE method is SIMPLE and works well if you are sensible about it.
the problem with MFP is it only takes into consideration your activity level not your daily movement.
MFP is just a calorie tracker, not a coach.
The problem with tracking exercise is there are many factors which need to be considered to make it accurate.
using an apple watch is not.
TDEE is just another way of accounting for exercise. It's six of one, half dozen of another.
exactly! so why track your exercise as well as TDEE if it does it so well?
You didn't mention TDEE until someone else brought it up; you said to not eat back your exercise calories. If a person is getting his or her calorie goal from MFP's guided setup, that's not TDEE, and to take your advice could lead to serious undereating.
This is the OP's first post, and a lot of threads are posted by new people who aren't familiar with the lingo. Precision matters with calories, but it matters with words, too. A person could easily interpret your words to mean they should eat very, very little.
this is why i didnt use the words TDEE because someone isnt going to know this.
if you read my above posts i state a very simple method.
plus if someone was "under eating" they would be losing a lot of weight so its safe to assume that's not whats going on.
I feel like most people are smart enough to understand Total Daily Energy Expenditure, with really quite a brief explanation . . . and it can be helpful to them to understand it.lukejoycePT wrote: »penguinmama87 wrote: »lukejoycePT wrote: »penguinmama87 wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »lukejoycePT wrote: »janejellyroll wrote: »lukejoycePT wrote: »don't eat your exercise calories back. this function on MFP is as a dumb as a bag of spanners. Your apple watch is not accurate. Niether are any of those fitbits etc. Just eat your calorie goal and if you are losing too much then change your activity level on the settings.
How is it dumb? MFP gives you a calorie goal assuming that you aren't doing any intentional exercise. If you move more than anticipated when calculating your calorie goal, it seems like the smart thing to do is to consider that.
only if you have an acurate way of measuring it. which nobody does. it muddys the waters and creates even more inacuracy in an already inacurate field. weighing and measuring food is still a guestimate so adding in tracking your exercise makes it even worse.
the whole way mfp is set up is pretty awful to be fair and extremely basic. i dont want to get in amongst the weeds here but this isnt just my view. it's the view of many well known fitness experts.
I have a very accurate way to measure my exercise calories - does that make me Mr Nobody?
And it's actually a false argument that you need accuracy - reasonable is good enough for purpose.
You seem to be suggesting a TDEE method which includes an upfront estimate of your average type, duration and intensity of exercise. That it can also work, really underlines reasonable estimates with the common sense to adjust based on results over time is plenty good enough for purpose.
what is your "accurate way of measuring"?
Nope i dont suggest that either. I am simply stating that there is no need or practicality to tracking your exercise. it over complicates it.
the TDEE method is SIMPLE and works well if you are sensible about it.
the problem with MFP is it only takes into consideration your activity level not your daily movement.
MFP is just a calorie tracker, not a coach.
The problem with tracking exercise is there are many factors which need to be considered to make it accurate.
using an apple watch is not.
TDEE is just another way of accounting for exercise. It's six of one, half dozen of another.
exactly! so why track your exercise as well as TDEE if it does it so well?
You didn't mention TDEE until someone else brought it up; you said to not eat back your exercise calories. If a person is getting his or her calorie goal from MFP's guided setup, that's not TDEE, and to take your advice could lead to serious undereating.
This is the OP's first post, and a lot of threads are posted by new people who aren't familiar with the lingo. Precision matters with calories, but it matters with words, too. A person could easily interpret your words to mean they should eat very, very little.
this is why i didnt use the words TDEE because someone isnt going to know this.
if you read my above posts i state a very simple method.
plus if someone was "under eating" they would be losing a lot of weight so its safe to assume that's not whats going on.
Maybe at first, but when they hit a brick wall of fatigue, or their hair starts falling out or nails start breaking all the time, or they get so hungry they overeat and undo the deficit, they might think, and I can't blame them - "If losing weight is this miserable, why bother?" Anecdotally, I suspect this is a big part of why my previous weight loss attempts were not successful, and perhaps those of many others. Now I take care to eat much more (which TDEE would do too, but NEAT suits my purposes just fine so I'm not going to switch), so I actually have enough energy to exercise, and I'm still losing weight, without being miserable about it.
I think your "simple method" has backfiring written all over it, to be honest. It might work at first, but people aren't designed to go hard like that long term.
i stated that the goal is to burn as much fat as possible while eating as many calories as possible.
i also stated that you should see your calories as a total weekly amount not daily.
i also stated that if you lose more weight that required you should increase or decrease if you don't lose any.
This method is sensible and sustainable because it allows people to enjoy life without the extra stress.
using exercise as a means to eat more will cause the person to have a worse realtionship with food long term because it makes food a reward.
Tracking exercise is not equivalent to using exercise as "a means to eat more", and will not universally cause "a worse relationship with food".
I had a fairly vigorous exercise schedule (even competing in a short endurance sport) while still obese. My exercise approach didn't change significantly when I started using MFP, so there's no reason estimating it separately would ruin my relationship with food. I've been doing this for nearly 6 years now, and my relationship with food is just fine. (I think the same would be true even if I'd started exercising when I started with MFP, because I'm not inclined to those kind of psychological effects, personally. I assume I'm not unique in this.)
Exercise is its own reward, in the sense of making my life better and happier in a variety of ways. I can't imagine myself thinking of food as a reward for that reward. I'd assume I'm not unique in this, either.lukejoycePT wrote: »
(snip)
lets just clear something up here...
reasons why tracking exercise is pointless...
1. your body and the rate it burns calories changes dependant many factors. - how hard you train in that session, how much muscle you have build or lost in the last week etc etc.
2. a peice of electronics on your arm who doesn't know your genetics or metabolsim is not going to be able track the calories you burn. it just can't
3. if you exercise regularly then your body will become acustom to this exercise and will no longer burn as many calories and it becomes more efficient at this exercise.
4. all of these factors (there are more) make it like stabbing in the dark)
(snip)
I can see how someone without calorie estimating experience might believe that, but it's not correct. At the same bodyweight, for most common exercises, a person will burn roughly the same number of calories doing the same exercise at the same objectively-measured intensity/duration, whether they're fit or unfit, accustomed or unaccustomed. There can be some minor differences in that novices waste a few calories that don't go into pace/performance (the objective intensity measures, IOW), but for most common activities that's such a small fraction of the exercise calories that it doesn't matter.
Sure, it *feels* easier if fit/accustomed, and (ironically) a fitness tracker may read the lower HR as suggesting the person's burning fewer calories, but those things are misleading. Energy expenditure doesn't rely on how things feel, or on what an indirect proxy measurement implies.
If what you're saying were true, elite cyclists would have roughly the same calorie budget as equally muscular people their size who don't do a grueling endurance sport but cycle recreationally for the same number of hours. In real life, they require thousands more calories daily, because fast/strong cycling burns a lot of calories, even for those very accustomed to it. In practical reality, a person tends to burn more calories doing an activity when they become fit/skilled/efficient, because they can easily achieve higher intensity for the same duration, while still feeling OK.5
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