More from Tom's Guide A Pilates instructor shares an 8-minute Pilates abs workout for deep core activation — so I tried it Forget sit-ups — this no-equipment ab workout blasts your deep core ...

SELF, DanceWithDeepti, and Body Project are top YouTube channels for calorie-burning workouts. Cardio and HIIT excel; short ...

The disciplined combination of both healthy eating and ab-strengthening exercises can, over time, help you achieve any goals related to obtaining defined abs. "If one is starting with an average ...

Engage your deep abs to round your lower spine into the floor. Make sure you are not "pooching" your abs, which means you are just working the top layer of abs, which is a Pilates no-no.

That's why I created this four-move workout, designed to sculpt your core. By adding a bit of dumbbell, you'll challenge your abs like never before—and have the muscle tone to show for it.

Many people covet a rippling six-pack, but it's not necessarily a sign of health. We all have abs, and whether they're visible or not essentially comes down to having a low enough body-fat percentage.