How crunches give your body so much more than strong abs

Here's why crunches are so good for your overall health.

Sit-Ups Vs. Crunches—Here’s Which Is Better

Plus, which move is more effective for strong abs.
Yahoo

Are crunches a pain in the neck? Try this ab exercise instead

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 ...