"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 ...

While muscle groups like the chest, biceps, and glutes tend to get an abundance of attention, no strong physique is complete without a well-developed back. All too often, however, we overlook back ...

When it comes to resistance gym machines, the back extension is underrated. Just ask strength and conditioning coach Andy Vincent. When I hit him up for which machine he believes is most effective for ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. It’s easy to almost ...

Lie flat on your back with bent knees and feet hip-width apart, arms at your sides with palms pressing into the mattress.

The back extension is a versatile exercise that can be performed virtually anywhere. It can be used as part of a training program to build strength or a rehabilitation program for injury recovery.

There’s no easy way to put it: Lower back pain just plain sucks. Whether it’s dull and achy, sharp and shooting, or tight and stiff, discomfort on your backside is no picnic. But the good news is ...