Run faster than you ever thought possible, all thanks to the power of walking.

There’s also skepticism from London’s famed black cab drivers, who must pass a grueling training course known as “The Knowledge,” which requires memorizing hundreds of routes and takes years to ...

Exercises like dead bugs help lengthen and strengthen the hip flexors in a controlled position, which improves form and can help offset the effects of sitting too much, adds Dickinson. Lie faceup, ...