"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 ...

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 ...

If you're searching for “how to stretch lower back,” you probably already know that sitting all day is killing you. If having your butt glued to a chair is something you can’t escape, you know ...