"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 ...

Instead of using a back extension machine, try using the 45-degree back extension machine. This piece of equipment helps angle your body as you stand in it with straight legs, allowing you to bend ...

When I had a bad back, I used to go to a special gym for people with musculoskeletal pain. My father had been recommending it for years but of course I paid no attention to him. It was only when ...

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 ...