"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 ...

When it comes to resistance gym machines, the back extension is underrated. Just ask strength and conditioning coach Andy Vincent. When I hit him up for which machine he believes is most effective for ...

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 ...

Back extensions, hyperextensions, Roman chair extensions — whatever you want to call them, this back exercise is brilliant at strengthening the muscles along the back of your body, known as the ...

Nancy Cole demonstrates the first step of a cable back extension. Cole demonstrates the second step of a cable back extension. Training your lower back can improve your posture, facilitate the ...