When you’ve got everyone from basketball players to fibromyalgia sufferers in your comments section hailing this stretch exercise as a game-changer, you know you’re on to something good. Try fixing ...

Ever wondered why you can’t squat as deep as your gym buddy? The answer might be right at your feet. While most fitness enthusiasts focus on building impressive quads or sculpting perfect abs, ...

An ankle injury can stop you in your tracks, making running painful or even impossible. Injuries at and below the knee make up approximately 70 percent of all running-related injuries in athletes of ...

THINK ABOUT ALL the activity taking place on your feet—walking, standing, taking the stairs, running, jumping, squatting, lunging. The ankle supports nearly every movement involving the foot. Training ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...