Jul 18, 2008 3:04 AM GMT
How accurate do you think they are?
I can do an easy 20 minutes on an elliptical to warm up and the machine will say I burned 200 calories or so.
Next day I can run for 20 minutes on a treadmill and it will say I burned about 200 calories, even though I've worked a lot harder.
I can do an easy 20 minutes on an elliptical to warm up and the machine will say I burned 200 calories or so.
Next day I can run for 20 minutes on a treadmill and it will say I burned about 200 calories, even though I've worked a lot harder.