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 ...

Strengthen your core, hips, quads and back using this abs exercise to build full-body strength, endurance and stamina. The hollow hold is an isometric exercise, which means your muscles contract ...

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 ...

Understanding the functions of all the muscles in the back is complex, but training them does not have to be. The muscles of the back help us do everything from standing up straight and opening doors ...

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 ...

If you have osteoporosis, isometric exercise can help improve your muscle strength and bone health without putting excessive stress on your bones. Developing an exercise plan for osteoporosis is ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Lifting heavy weights is not the only way to strengthen your muscles. And studies have shown that ...