"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." TO MAKE THE arm muscle gains you want, you'll need to be intentional. Following a balanced workout split ...

These tender bumps in your neck or back can be a pain, but a few research-backed strategies can help to relieve discomfort. By Danielle Friedman If you’ve ever had a shoulder massage or used a foam ...

A new robotic breakthrough out of South Korea may soon turn your clothes into assistive tech. Researchers have found a way to mass-produce ultra-thin "fabric muscles" that can flex and lift like human ...

Still dealing with a tight hip or weak glute - despite all the foam rolling, stretching, and strengthening? Or, maybe you’ve had an injury that keeps flaring up, even though you thought it was finally ...