a) Lean forward on a table, resting on your elbows with your tummy tucked in. Kick your right leg back and up, leg slightly bent, heel towards the ceiling, hold and lower. b) Now with your right leg ...

If you’ve ever been in a big-box gym before, you’ve seen plenty of guys doing classic leg exercises like squats and lunges and deadlifts. But there’s a good chance you’ve also seen a host of ...

Inside a sunlit dance studio across from Lincoln Center in Manhattan, the ballerina Sara Mearns is stretched taut in a forearm side plank, one leg hovering above the ground. It looks easy enough—but ...