"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." And when it comes to choosing one, quality matters. We rolled up our sleeves and got to testing and ...

Your gluteus maximus is the muscle that defines the shape of your backside and helps you powerfully straighten your leg at the hip. It tends to get most of the attention when people look to build the ...

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 ...

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.

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"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 ...