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Study: We overestimate how much we exercise

Wednesday - 1/8/2014, 5:16pm  ET

WASHINGTON - We might be cutting that run a little short and not owning up to it.

In a weeklong study, researchers in Norway had people report on their own physical activity. Those taking part in the study were also given sensors to measure their actual movements.

Men reported they had spent 20 minutes on vigorous exercise and women reported 12 minutes. But in each case, they had done less than three minutes worth.

Men and women also overstated the time they spent on moderate exercise, like walking, by more than 50 minutes.

The Wall Street Journal says participants underestimated the amount of time they spent sitting still. Those taking part were sedentary for about two hours more than they said they were.

The study appeared in the January issue of Medicine & Science in Sports & Exercise.

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Tags: exercise