Flexibility is an underrated aspect of fitness, especially since we tend to lose some of our mobility as we get older—how many of the older folks in your life can comfortably reach overhead? But ...

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. Some Olympic fans ...

When we think of the word flexible, we may think about yogis twisting themselves into a pretzel knot or that one friend who can drop into a split at a moment’s notice, thanks to past gymnastics ...