For example, as the ball wobbles back and forth while you use it, you activate balancing muscles, in addition to your main core ... with no weight at all, it's still a beneficial ab workout.

How to do it: Stand facing away from the wall holding a slam ball out in front of you. Quickly, and with force, rotate 90° to one side toward the wall to slam the ball into it. Catch it on the rebound ...

Sit-ups probably come to mind when considering exercises to target your abs. Some seek the sculpted washboard look, while ...

This dumbbell ab workout ... core during each movement. Use the weights to “increase the force through the abs, while you resist.” Another tip I like to use with clients during seated ab ...