Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The major muscle in ...

Staying fit and maintaining a strong upper body doesn't require a gym membership or expensive equipment. Your own body weight is one of the most effective tools available for building a strong, ...

Chest day is sacred. But if you're just benching and hoping for the best, you're leaving serious gains on the table. Your chest is a complex group that responds differently depending on the angle, ...

The incline dumbbell press is one of the best ways to add upper chest development while also giving each arm more freedom to move. A well built upper chest can make the entire torso look more powerful ...

Developing bigger pectoral muscles, or "pecs," is one of the most common goals for anyone focused on building upper-body strength or improving their physique. After all, a strong, well-developed chest ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Did you know that your chest muscles are essential in ...

As you age, your workouts need to evolve. This is especially true when it comes to training your chest. What worked in your 20s might leave your body aching, but getting older doesn't mean giving up ...

WANT TO BUILD your biggest upper body muscles without spending so much time in the gym that you'll owe them rent money? You'll need to learn how to train efficiently, rather than just showing up and ...

You may have rolled your eyes as a teen when an adult told you to “stand up straight” or “stop hunching your shoulders,” but they had a good point: poor posture can lead to misalignment, muscle and ...