April 23, 2017

Just how many calories are you burning during your exercise program?

Filed under: Health, Humour, Technology — Tags: — Nicholas @ 03:00

At The Register, Alistair Dabbs gets around to talking about the next flying car fantasy after first getting his knob squeezed (it’s not what you think) and then trying to do a bit of measurement:

A short while ago, at the end of another 45 minutes of relentless, sweaty knob-tweaking, one of my fellow gym members asked how many calories she could expect to burn at each class. Aha, I like a challenge, and so I decided to use my access to various wearable tech devices in order to find an answer to this question.

Well, I suppose it was a bright idea: the difficult bit was in implementing it.

Bound up by a host of bands and straps, I looked like a cross between a Running Man baddie and a punk reject hanging around Vivienne Westwood’s shop on the King’s Road in 1976. Yet I am tech gladiator incarnate, I told myself. I am Ali-Stor of Bromlar, son of Al-An, defiler of words, wearer of strap-ons, tweaker of knobs!

Maybe the developers of these fitness trackers thought it would be a good idea too. As it turns out, their implementation leaves a little to be desired. Every device measured and calculated my physical effort in a different way, producing wildly different results.

One heart-and-respiration monitor strapped across my chest reckoned I had burnt around 800 calories during the spin class. Another tracker reported a more modest 500 for the same session, with others suggesting various figures in between.

Best of all was my trusty Fitbit, which told me I’d been sitting down and doing nothing for those 45 minutes. No problem, I can simply use the app to log this period in my exercise record as a spin class and let its online database calculate a typical burn for the period.

172 calories.

Oh thanks a bunch, Fitbit. That’s the same as for a 20-minute stroll between my house and the local train station. Next time I consider attending a spin class, maybe I’ll go full-on and nip out to the newsagent instead. It’ll use up more calories and my tender knob can be left unsqueezed.

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