"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 ...

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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.

Lauren is a freelance health and fitness writer who specializes in covering running and strength training topics. She writes for a variety of national publications and businesses, including Men’s ...

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 ...