The elbow-to-knee side crunch works the love handles (aka the internal and external obliques). It's part of Hip Hop Abs, a high-energy workout that combines cardio hip hop dancing with targeted ...

I was doing an at-home workout the other night and didn't like one of the ab exercises the trainer had listed for the oblique muscles, so I decided to swap it out with a side-lying crunch. It's been ...

This simple floor exercise is redefining how Americans train their core—without crunches, machines, or strain on the spine.

Add Yahoo as a preferred source to see more of our stories on Google. Unlike regular crunches, which require lifting the upper body off the ground, reverse crunches involve lifting the hips and legs ...

Want to run better? Stop doing sit-ups – here are five expert-recommended functional core movements to do instead.

When it comes to core work, your abdominals should be engaged no matter what body part you are focusing on. That way, your body is ready for anything since your strength comes outward from the middle.

If you're a person who loves working your abs because you get to lie down on a mat, this post may not be for you. We've rounded up our favorite standing ab exercises to show you how to work your abs ...

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Many people don’t use correct form when doing core ...

Fact checked by Nick Blackmer Planks are better at building core strength because they engage the deepest layer of your ab ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." If your body were a bicycle, your abs and back muscles—your core—would be the frame. You need a ...