"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Today's ab routines are more versatile than ever. Sure, you can slog through sets of situps and ...

The ab rollout, even when done on your knees, is extremely effective at strengthening your core as it stabilizes your body during the movement. In this video I show a beginner ab wheel progression, ...

The first time you use an ab roller is a humbling experience. If you’ve never seen one, it’s a simple wheel with handles that’s probably lying in the corner of your gym or your friend’s basement. You ...

Ready for the first fitness challenge of 2020? We’re going to get acquainted with the infamous ab wheel, better known as “Hey, what’s this? I bet I can—oof.” (And here you fall on your face.) We’ll ...