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 ...

Today we're exploring an exercise that's often misunderstood but incredibly powerful: the weighted back extension. I'll break down what it does, who it's for, and how you can truly master it to build ...

If you spend enough time around a trainer, you'll probably hear the term mirror muscles come up. It's not a new group of muscles scientists just discovered, it's a term used for people who tend to ...

Objective To review the specificity of exercises designed to condition the lumbar extensor musculature (ie, lumbar erector spinae and multifidus). Methods A review of studies examining effects of ...

"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 ...

While this particular exercise also targets Handler’s upper body, thanks to the kettlebell rows, anti-extension movements in general focus on the core and lower body, Stephanie Mansour, Chicago-based ...