"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If you've completed a core workout—or 100 of them—over the years, you likely know what crunches are ...

The Perfect Fitness Ab Carver Pro is a high-tech versatile ab roller designed to sculpt a stronger trunk and progress home ab workouts – regardless of your fitness level. It’s not suitable for taller ...

Let’s cut through the noise. Everyone wants to know how to get abs fast, but the truth is that most people are looking for shortcuts that don’t exist. Whether you’re doing 100 sit-ups a day or ...

Nothing hurts as good as a great ab workout, unless that workout is the wrong workout and that burn you're feeling isn't just your core muscles building themselves back into a six-pack. You know the ...