Not everyone enjoys doing crunches in an ab workout, and I include myself in that group. For me, it's how uncomfortable the ground feels on my back and neck as I move through the exercise. Trainer ...

It's no secret that a stronger core improves balance, posture, and overall strength. Plus, if you're looking to sculpt more defined abs, it’s a key part of the equation. But not everyone wants to ...

Ab routines often rely on mainstays like crunches and planks to help you feel the burn. And for good reason: When done properly, crunches work multiple ab and back muscles, and planks are a whole dang ...

Our abdominal muscles are more than simply about aesthetics though. They’re a key part of our core and enable spinal flexion and extension, while the obliques help with lateral flexion and extension.

Better posture. Weak upper abs often result in poor posture and spinal misalignment, but by targeting these muscles, you can ...

"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 ...

When you hear the words “core workout,” you probably think of the planks and crunches you bust out after spending 30 minutes on the treadmill, or the sit-ups you do during Mad Men commercial breaks.

The benefits of reverse crunches, plus how to make them easier and harder. Walk into any workout class with ab-toning in the description and it’s a safe bet that you’re about to do at least a few ...