Anyone interested in building lean muscle will love this method.

This quick oblique abs workout targets the side core muscles to help build strength, stability, and definition—all from home. With efficient, focused movements, it’s ideal for improving core balance, ...

Fitness Pro Superhuman Troy follows the ultimate lower chest workout for perfect definition.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Ready to revamp your workout routine—and get lasting results? Enter: the Women's Health 30-Day Workout ...