Many people measure their physical activity by the amount of time they spend exercising, but new research makes a case that counting steps is similarly beneficial. Meeting fitness goals measured by ...

MINNEAPOLIS — Finding the best way to exercise is different from person to person. So too is how they measure progress along the way. To help you create an efficient workout regimen, we wanted to know ...

From pricey wearable devices to your phone, it has never been easier to track your daily physical activity, or lack of it. And if you're like many Americans and spend nine-plus hours sitting every day ...

Usain Bolt smashed the 100-metre sprint record at the 2009 World Championships in Athletics in Berlin in a floodlit stadium under an inky night sky. This article is part of a series on fitness that ...