"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE BACK extension, that time-tested move for building back strength, has been around the block. But here ...

Add Yahoo as a preferred source to see more of our stories on Google. Forget the crowded squat rack—trainers say the back extension machine might be the stealth weapon for building stronger glutes, ...

Which back machines are best? There are many exercise machines designed to work the neck, arms and upper back, but there is one piece of equipment that focuses on your lower core muscles — a back ...

A trainer explains how a single exercise on this overlooked machine can strengthen and protect your back.

Forget the crowded squat rack—trainers say the back extension machine might be the stealth weapon for building stronger glutes, the powerhouse muscles that drive athletic performance and protect your ...