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

Gym machines help target and build specific muscle groups, making them great for ab exercise. Moves like the Pallof press, leg raise, and cable crunch work all the muscles of your core. Exercise like ...

If your goal is to build a stronger core, doing ab work is pretty much always a good idea. "Like just about everything else in exercise, the 'best' time to do abdominal exercises is whenever you can," ...