Postural problems, like rounded shoulders and "tech neck," can lead to pain and limited mobility.Stretches and exercises that strengthen your core, back, neck, shoulders, and chest can improve posture ...

Back pain, whether in the upper, middle, or lower back, affects millions of people around the world. It can occur for many reasons—from prolonged time in front of a screen, an injury, osteoarthritis, ...

The pull-up is the epitome of true bodyweight strength. With no equipment required, it’s one of the best exercises in your arsenal to build strength and muscle in your upper back, biceps, and ...

Building and maintaining muscle mass is important for everyone, regardless of age — and one of the strongest predictors of long-term health.

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 ...

Get step-by-step instructions for chair exercises for arms that build strength, improve mobility, and support everyday ...

These bodyweight and weighted moves help protect muscle, joints and balance as your body adapts through menopause ...

Swimming is a low-impact workout that also targets multiple muscle groups. “In just 30 minutes of swimming, an average person ...

Add Yahoo as a preferred source to see more of our stories on Google. Those stiff, painful spots can take up to two weeks to go away on their own. Sophie Walster/iStock via Getty Images Plus Imagine ...