The reverse crunch exercise targets your lower abs for an overall strong core.

Here’s how to ace that form.

Plus, they train your transverse abdominis (your innermostabdominal muscle) more than traditional crunches.

woman in workout clothes doing a reverse crunch exercise

Photo: PeopleImages/Getty

That means not letting your hands and arms or even worse, momentum do the work.

Learn how to do reverse crunches the right way with these easy-to-follow instructions and advice from Donavanik.

B.Press lower back into the floor and pull in belly button to lift feet off the floor.

Bend knees at a 90-degree angle, keeping them together.

C.Using core, draw knees toward chest so that tailbone raises off the ground.

D.Slowly lower shoulders, hips, and legs to return to starting position.

Stop when feet are just above the floor.