View post: The One Workout Mistake Most Guys Make in Their 30s and Pay For in Their 40s, According to a Veteran Trainer “As a fitness culture, and in society in general, we’re afraid of spinal flexion ...

But guess what? We've got some good news! There's a movement that's the perfect antidote: the so-called "back extensions." Don't picture a reverse push-up (that would be more like a bridge), but ...

"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 ...