Reasons to get flustered at how surprisingly difficult a task turns out to be: Helping your kid with basic algebra; playing that peg board game at Cracker Barrel; and attempting a basic single-leg ...

If you want to strengthen nearly the entirety of your body’s posterior kinetic chain—that’s fitness-speak for the backside of your body, including your butt, hamstrings, lower back, and back ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. Back in 1961, a pair of researchers ...

You might have had the suspicion, particularly while doing unilateral exercises, that one of your legs is stronger than the other. Chloe Costigan, a physical therapist and co-owner of Mobility-Doc, ...