"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 ...

Gyms are a treasure trove of machines, and one day, you may just happen to realize that you haven't touched a good majority of the equipment at your own. When you stick with a routine that's worked ...

Several exercise machines may exacerbate lower back pain if a person does not use proper form, or if they have pre-existing back conditions. A person can discuss alternatives with a physical therapist ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. It’s easy to almost ...

"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 ...