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.

A 40-year fitness trainer shares 5 bed exercises that rebuild back strength after 60 before you even start your day.

A broad, well-defined back is a cornerstone of any well-rounded physique. But that’s not the only reason to pump up your posterior—it’s also a critical way of improving posture, reducing back pain, ...

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 ...

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 ...