Ellipticals, captain's chairs, and the decline bench are just a few of the best gym machines for ab strength. Here's your ...

Sit on the bench with your dumbbells resting on your upper legs.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That's why it pays to dedicate focused training time on your core. You can start with these ab exercises ...

This balanced approach—with a Beginner and Advanced track—can help you build strength and muscle with a smart strategy.