For fitness purposes we can roughly divide the body into three sections: the lower body (legs), the core (abs), and upper body (everything from the chest up including arms, shoulders, and back—but not ...

If you’re looking to work your upper body, enhance your posture, and strengthen your core in one move, you’ve come to the right place. I’m a fitness editor and marathon runner, and recently I added ...

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 upper back is an ...

When strong, toned arms are a goal, people tend to focus on the biceps. But the triceps are actually the largest muscle in the arm, making them an essential area to target when it comes to ...

There are countless ways to get your workout done. You can opt to do the entire upper body in a session or split the upper body into pulling and pushing movements over two days. A third option is to ...

Leoni Jesner is a fitness, health, and lifestyle writer who has contributed to Byrdie and LIVESTRONG.com, among other publications. She is also a personal trainer, mat Pilates instructor, and ...

A broad, well-defined back is a cornerstone of any well-rounded physique. But that’s not the only reason to pump up your posterior—it’s also a critical way of improving posture, reducing back pain, ...