"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 ...

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 ...

WHEN IT COMES to training your lower back, it doesn’t get more straightforward than back extensions. This old school classic is a bit more nuanced than you might think, however—and that makes ...

While lower back exercises are far less glamorous than ab exercises, they are equally as essential. Weakness in the lower back is one of the leading causes of chronic back pain in adults, but if ...

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 ...