Our movement is not one-dimensional, so your workouts shouldn’t be either. Every day, your body bends, reaches, flexes, and extends—but it also twists, turns, and rotates. You do this when checking ...

Enter any gym, and you’ll see the same core workout: crunches, situps, ab machines, and endless twisting exercises. The logic seems obvious—if you want stronger abs, more visible abs, you train them ...

Toned abs, without the sit-ups.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Our movement is not one-dimensional, so your workouts shouldn’t be either. Every day, your body bends, ...

Add Yahoo as a preferred source to see more of our stories on Google. Enter any gym, and you’ll see the same core workout: crunches, situps, ab machines, and endless twisting exercises. The logic ...