That's right—we're talking about the torso rotation machine. This is the Chubby Checker–inspired ab machine you sit in to do ...

Consistency is key, especially when it comes to melting stubborn belly fat. What you do every day has a far bigger impact ...

A certified personal trainer breaks down his #1 bodyweight workout to build a lean body like actress Kate Hudson.

This 10-minute abs workout from fitness trainer Maddie Lymburner, who goes by MadFit on YouTube, is also done without equipment, so you can do it pretty much anywhere. Though using a yoga mat will ...