But yes, defined abs do pop as well. Below, we cover how to do “traditional” crunches and why these three crunch variations are worth the hype alongside the best ab exercises around.

Reverse crunches work your oblique muscles and the rectus abdominis, the pair of muscles that run vertically down the core and are responsible for giving your core that “six-pack” look.

How to do a modified reverse crunch If you’re not used to working your core, reverse crunches can be difficult. But the move is very easy to modify. Simply decrease the range of motion by moving ...