I was looking back over the data that accumulates from both my pedometer (I'm using it for the 100 day challenge) and my Polar A360 and I spotted something quite interesting. Occasionally my A360 records fewer steps than my pedometer, but there was one day in September when the difference was quite significant. I checked the data and I'd been wearing my watch all day, so it wasn't as if I'd had it on charge for a large part of the day.
So I thought about it for a while. Then I looked at the date. Thursday 7th September. The penny dropped. We were at Center Parcs and Anne and I had taken our Grandsons out for a walk in their buggy. I'd been given the responsibility for pushing (Anne might have been carrying Ben while I had Tobias in the pushchair).
While we walked around the site, up and down gradients, through trees and past lodges, my arms weren't doing much at all. My A360 assumed I was probably standing still most of the time and didn't record many steps at all. In fact, had I only been using the Polar to monitor my steps for the challenge, I would have failed miserably that day and would probably have found myself running around Center Parcs in the late evening trying to make up the difference!
Once again it just goes to show that you need to use a device that is most helpful given the way you do most of your activity. Either that or remember to strap your wrist-based device to your ankle when out pushing a buggy!
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