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

Dreaming of a toned and strong abdomen? You're in the right place! Forget about complicated machines if you don't have access ...

An curved arrow pointing right. Cristiano Ronaldo stars in a bizarre ad for his Japanese ab machine, Training Gear Six Pad. The machine promises to get you ripped without even lifting a finger by ...