Have you ever run on six different treadmills on the same day? Or did you work out on seven different rowing machines (not during a CrossFit class)? Or my personal favorite: Have you had to carry ...

New research suggests that higher scores on certain fitness tests are linked with a longer life. Higher scores on tests of cardiorespiratory fitness, muscular strength, and balance and agility ...

Think the fitness tests you did in gym class were tough? The U.S. military has been putting its service members through the wringer for decades, but the way they measure strength and readiness is ...

What if a few simple movements could offer a glimpse into how well you’re aging? It turns out standing on one leg or getting up from a chair and walking a few feet may tell you more than you’d expect.