Love 'em or hate 'em, abs workouts are essential if you want a toned tummy. And luckily, there are plenty of super-effective abs exercises out that that require zero equipment. We're not just talking ...
Not feeling like hitting the gym today? No problem! All you need is a yoga mat and 20 minutes to strengthen your core—no crunches required. Part of the Women's Health Ultimate Abs Challenge, this ...