Should I trust a HRM for calories burned?
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kensgirl2
Posts: 21 Member
I have a digital heart rate monitor set with my stats. My question is, should I trust what it tells me for calories burned? It seems to be quite a bit more than what fitburn tells me for a particular exercise, which to be honest I thought was more than what I was really burning in the first place! Can these monitors be trusted to give a somewhat accurate count?
Thanks!
Thanks!
0
Replies
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I have a digital heart rate monitor set with my stats. My question is, should I trust what it tells me for calories burned? It seems to be quite a bit more than what fitburn tells me for a particular exercise, which to be honest I thought was more than what I was really burning in the first place! Can these monitors be trusted to give a somewhat accurate count?
Thanks!
if they cant be trusted, you wasted your money purchasing one0 -
Hasn't failed me yet. What brand is it?0
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I've never used a fitbit but have recently got a HRM at I'd say it was more accurate as it'll take it based on how much effort/strain there is on your heart, I could be completely wrong.0
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It's a Timex one that I bought a few years ago that I just dusted off recently. Better late than never, right?0
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I have a digital heart rate monitor set with my stats. My question is, should I trust what it tells me for calories burned? It seems to be quite a bit more than what fitburn tells me for a particular exercise, which to be honest I thought was more than what I was really burning in the first place! Can these monitors be trusted to give a somewhat accurate count?
Thanks!
if they cant be trusted, you wasted your money purchasing one
Uh, thanks.0 -
There is no easy answer to this. What kind of HRM is it? Is it set up correctly for you? HRMs are generally a fairly accurate estimate if you bought a quality one and it's set up correctly but it is still just an estimate based on formulas. Also, it depends on what kind of exercise you are estimating. They are most accurate for moderate to high intensity steady state cardio as that is what thier algorythims are designed for. They overestimate low intensity steady state cardio and are useless for strength training.
Personally, I never use more than 70% of what my my HRM tells me as a burn. I may be conservative but I'd rather underestimate by 100 calories than over estimate by that amount.0 -
It's a Timex one that I bought a few years ago that I just dusted off recently. Better late than never, right?
I also have a Timex. They have a reputation of overestimating slightly.0 -
I had a Timex HRM before I bought my Polar, and it was overestimating my calories by almost 50% in some cases. I'd say just be cautious. If you're going to eat back your exercise calories, maybe eat back half of them?0
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My question is does it have a chest strap? I had one that was only the wristwatch and it was slightly higher since it only took the HR when I touched the sensor, my new one with the chest strap is more accurate and I go by what it says.0
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It's just another estimate. As are all the other calorie burn numbers you'll come across.
Which you choose to use doesn't much matter. Pick one and be consistent with it for a month. Then evaluate your results.
If your logging has you in a deficit but you are gaining, then chances are your estimates are off (eating more than you think and/or burning less than you think). If your logging has you in a surplus but you are losing, then chances are your estimates are off (eating less than you think and/or burning more than you think). Tweak as necessary.0 -
I use one and found it to be a little more accurate than using MFP's calculations. I have a Polar F4. I had a different brand before and still found my older one a little more accurate than the site. Personally, I think you should trust the HRM.0
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I had a Timex HRM before I bought my Polar, and it was overestimating my calories by almost 50% in some cases.
Me too, Timex HRM is bad news.....0 -
I use the MiCoach HRM and it shows considerably less than what MyFitnessPal tells me....I would say the HRM is more accurate!0
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It's a Timex one that I bought a few years ago that I just dusted off recently. Better late than never, right?
I also have a Timex. They have a reputation of overestimating slightly.
I agree that the Timex hrm's seem to overestimate the calorie burn, but I still love my Timex Run Trainer! dcrainmaker.com has some great info on hrm calorie estimates and a ton of great reviews on hrm's and other stuff, from the perspective of a triathlete who has played with about every hrm out there. It's very detailed stuff but great info.0 -
Yes, it has a chest strap with it. I figured it has to be more accurate than what a general website is going to tell me since it measures MY heart rate and not just use a "standard" rate.
Thanks for all the replies! I really appreciate it!! :happy:0 -
I used to have a Timex and from my experience, and from other reviews I've seen, they way overestimate calories. I bought a Polar F7 not too long ago...probably one of my better investments. Based on research, Polar are probably closer to your actual calories burned than most other HRM brands.0
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i have the Poar FT4 and I love it. I find that the machines at the gym and mfp over estimate the amount of calories burned. I trust my HRM.0
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If you are this concerned about accurate calories burned through exercise, then you need to know your VO2 Max (which is the amount of oxygen you can process). Higher VO2 Max means a lower heart rate at a given intensity.
That being said, if you're going this close you're probably doing it wrong High performance athletes, body builders, etc may have concerns, but you should be within a couple hundred calories.
Here's how to determine your VO2 Max and how to use it to determine the calories burned.
Determine VO2 Max: http://www.shapesense.com/fitness-exercise/calculators/vo2max-calculator.aspx
Calculate Calories: http://www.shapesense.com/fitness-exercise/calculators/heart-rate-based-calorie-burn-calculator.aspx0 -
I now have a body media / ki fit and that comes out higher than the HRM. The fitbit came out WAY too low! I have a friend where it's almost perfect though! I'd trust the HRM over the fitbit for sure as it's detecting your heart rate!0
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I had the Ironman as my first HRM. It was very inaccurate. Not sure if it was my model or not but I returned it and purchased a Polar. No problems.It's a Timex one that I bought a few years ago that I just dusted off recently. Better late than never, right?0
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