are fine, but there are far more dynamic and effective ways to train your core. It has a clunky name, but the Half-Kneeling Kettlebell Snatch to Windmill is a smooth, fast flow that will work your abs fitness director Ebenezer Samuel, C.S.C.S. “If your core is weak, you’ll really struggle to complete the flow.” The more you do it, however, the stronger your core will become—and it’s a helluva lot more fun than another 90-second plank.
