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 ...

BUILDING A BALANCED physique is all about the back. The exercises you'll include in your routine to target these posterior muscles (which include your rear delts, rhomboids, traps, and lats) are ...

THERE ARE FEW physical attributes guys care about more than a strong chest. Bulging biceps and chiseled abs round out the remainder of the torso, sure—but as anyone who's seen a superhero movie can ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Run faster and more efficiently with these moves.