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Agreed. But the discussion here is very valuable, even so. What is so clear is that the ONLY way at present to accurately measure an individual person’s metabolic rate would be by a process that is only available in a research situation due to cost. That is very key information. Targeting diet and exercise minimums or maximums is still, at best, pretty much a shot in the dark — only providing a really rough average to work with. Both patients and their medical providers or athletic advisors (who send droves of people out every day with such rough estimates of… Read more »
I’m surprised no one made this comment so I guess I will: if the error rate can be +/-300 or even +/-454(!) calories that is enough to basically wipe out any weight loss and render this thing basically useless for that purpose. I mean if I were shooting for a -500 calorie daily deficit and I weigh/measure my food accurately and rely on this thing for an accurate count of calorie expenditure I could completely fail to lose any weight. Which sucks because they seem to be designed for exactly this purpose.
Fredrik, Spencer, and Dan:
Thanks for your comments. I think we are all in agreement that there are definite limits to the usefulness of these devices. Like some of you, I myself prefer the plain pedometer.
I have tried a number of these devices (not this one) and have found them to be lacking. As the blog stated, they don’t capture most of the calories burned from weightlifting. They also don’t capture the calories burned from serious cycling or spinning. Even for the basics of walking around at work, etc. They don’t seem to offer anything beyond a pedometer. From the devices I tried they all had software for estimating calories out. But their estimates were over 25% too high. I had to lie about my weight to get a decent approximation. I do use a… Read more »
I try to figure out what is actually practical since compliance is one of the most important aspects when treating my patients. This device just doesn’t seem practical given the costs and equations. Like you said, a one-time cost of a good pedometer would go further. The simpler the better… Good review!
Good review.
Personally though, I don’t see much of a need for such a device.