Strengthen your core and sculpt your abs with this four-move dumbbell workout. Trainer Sandy Sklar demonstrates each exercise to help you perfect your form and maximize results.

Sit-up haters, we've got a sit-up free workout ready ... It's an equipment-free session so you can take these moves with you to the gym, on vacation, or just enjoy doing them from the comfort ...

There are a lot of effective abs exercises out there, and doing any kind of training is always a good thing, as long as it’s not putting you at risk of injury. However, some exercises are better ...