Back extension machines are a crucial piece of gym equipment. They’re straightforward to use, and they work not just your ...

"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 ...

"I would suggest a cable hip extension using a low pulley and ankle attachment ... your upper body is about a 70–90° angle downward (depending on machine design). Keep your back flat (no slumping).