You'll need more than just crunches to build a strong, functional core. Try these moves to upgrade your workouts.

Gym equipment like cable machines or decline benches can work your abs in better, more effective ways than just doing sit-ups ...

This at-home ab workout includes some of the best ab exercises like Russian twists, standing oblique crunches, and leg lowers ...

Bouncy plank jacks and painful crunches aren't the only exercises that strengthen your abs. Presented by Allegra, this entire ab series is done while standing. Whether you're working out on the go, or ...