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Calorie count



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MOTIVATED@LAST
Posts: 14,094
12/13/12 6:35 A

Mplane,

Perhaps the first step would be to check an HRM against a well-known and well-studied activity (eg. walking, running). Online calculators are reasonable estimates for such activities, where speed and bodyweight give a somewhat objective basis for exercise intensity?

M@L






MPLANE37
SparkPoints: (65,087)
Fitness Minutes: (35,097)
Posts: 2,166
12/13/12 3:28 A

M@L: You are right about the high blood pressure.

What do people with high blood pressure do then? May be a good idea is to subtract from the average heart rate recorded by the HRM the average resting HR, and use it in the calories consumed formula, because the difference is due to exercise solely.

I am not sure if that would be entirely correct though.

Edited by: MPLANE37 at: 12/13/2012 (03:28)


MOTIVATED@LAST
Posts: 14,094
12/12/12 7:47 P

Even HRM's can produce inflated numbers for those with high blood pressure or on certain medications.

In general, HRM's are probably more reliable than other methods, but faith in them should not be blind.

M@L



MPLANE37
SparkPoints: (65,087)
Fitness Minutes: (35,097)
Posts: 2,166
12/12/12 3:49 P

Or to be even more accurate, use a quality heart rate monitor with a chest strap.



MOTIVATED@LAST
Posts: 14,094
12/12/12 9:08 A

No, I'd still recommend going with the lower of the two estimates.



JAJUMOMMY2000
SparkPoints: (3,899)
Fitness Minutes: (2,980)
Posts: 65
12/12/12 8:55 A

That makes sense. I was on the bike for 30 minutes and the calories burned on here said it was over 400!!!! While i was psyched, I was a tad pessimistic. So, I guess maybe i should average the calories between the two numbers and manually enter that?



MOTIVATED@LAST
Posts: 14,094
12/12/12 6:33 A

While it is true that many pieces of gym equipment significantly overestimate calories burned, it is also true that Spark's figure can get seriously distorted for heavier people (especially for resistance-based equipment like the elliptical or stationary bikes.

I disagree a bit with Coach Nancy's endorsement of the Spark calculator (what else do you expect her to say?).

Rather than saying one estimate is consistently better than another, I think it is better to go with the more conservative of the two estimates.

M@L



JAJUMOMMY2000
SparkPoints: (3,899)
Fitness Minutes: (2,980)
Posts: 65
12/11/12 10:31 P

OK, thanks so much. I do have another question. My mileage goals arent being updated. I have already walked 1.5 miles this week, yet the mileage goal isnt being updated, still shows I have walked/ran 0 miles...



SP_COACH_NANCY
SparkPoints: (158,833)
Fitness Minutes: (112,042)
Posts: 46,222
12/11/12 10:15 P

Hi JAJUMOMMY2000,

Remember all calorie burn calculators are just estimates based on the data you plug in, however, it has been noted that machines carry a large margin of error, so for this reason, I would recommend that you use the calories burn figure here on SparkPeople.

Coach Nancy



JAJUMOMMY2000
SparkPoints: (3,899)
Fitness Minutes: (2,980)
Posts: 65
12/11/12 10:09 P

What calories do I use? The ones on here when I enter an exercise, or the ones on the machine at the gym? I do not put my weight in the machine so its not weight specific.



 
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