Quote:
Originally Posted by UpDownAround
That one calculates an even higher number than the one I linked to, though not much higher.
I feel pretty good about the mph because of my experience on walks that were GPS tracked. 4.7 is about the fastest I can walk and the reason I can't maintain that very long on "regular" walks is irregularities in roads/sidewalks, turns and inadvertent drops in speed; without the readout, it's easy to taper off a little without noticing.
I do wonder about fitness level also. It will be interesting to see if my HR drops if I keep doing the treadmill with similar settings. I am thinking of dropping speed to 4.5 and increasing grade to 10%. I think pushing the edge of the envelope on walking speed is asking for trouble with joints.
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I was starting to injure myself when I was walking as fast as I could. This happened to my knees. I find that MET based calculator a bit on the conservative side for my purposes. I have been using it for some time with no real weight gain. I knew that one of the factors MET does not consider is ones metabolic rate. This changes per basically BMI, percentage body fat, and other factors. An “official” correction factor has been developed that needs to be calculated for an individual. Actually one of the formulas is technically less accurate than another that uses percentage body fat. However, for the scientific study involved, it worked well enough.
In your case, if you calculate this correction value, when multiplied with the MET value for an exercise, there may be an actual decrease in the calculated calories burned compared to what would be derived from the the MET value by itself. Once calculated, you can use the same correction factor for all of your MET related calculations. My correction factor is 1.17. So I multiply the value for calories burned from the calculator, that which I provided you the link to, by this correction factor to end up with the final value.
Personally I think this is currently the best, most practical approach available. In you case, this can be used as a starting point to end up with you finding something that works. This is the approach that I am taking.
All the above FWIW IMHO YMMV and any other applicable disclaimers. 