We spend hours hunched over phones and computer monitors day in and day out. It’s no surprise we have an epidemic of back pain. Unless you’ve herniated a disc in your lumbar spine, there's a good ...

"The versatility of this specific variation is why it's on this list," he says. "If you want to target your lats, you can do it by simply tucking your elbow a little tighter to your side... but if you ...