Fitness Trackers: How Accurate Are They? Unlisted Video

Millions of people wear some kind of fitness tracking device. But just how accurate are they?
They're accurate enough to be useful for most people for most purposes. But it also varies by what it is you’re trying to measure. Asst. Prof. Lisa Cadmus-Bertram University of Wisconsin-Madison
The shallow end of fitness tracking is a simple step count. It's better if the tracker is worn on the hip, not the wrist.