To build muscle mass, you need around 0.5–0.9 grams of protein per pound of body weight per day. Here's why and other factors ...

Strength training for a marathon helps you prevent injury and chase faster miles, but can you actually build muscle in the process? While it’s technically possible to build muscle while running many ...

Walking is having a moment – and for good reason. Getting in some steps not only helps you to feel good, but also compliments any workout routine and has legitimate health benefits in its own right.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Feeling strong and capable after 50 is about much more than just looking fit—it's about building ...