Get ready for the ultimate pump.

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. Your shoulders are an ...

Fun fact: The shoulder joint is the most flexible joint in the body because of its ball-and-socket structure, which allows for a wide range of movements. Shoulder mobility exercises and stretches can ...

Improve your upper body workout with 10 overlooked exercises that build more strength, size, and balanced muscle.

It's easy to focus on biceps and triceps exercises during my upper-body workout. Sometimes I even throw in some back moves. But my go-to arm routine was missing a major muscle group: rear deltoids.

Consistent shoulder training can not only give your upper body a toned, strong appearance, but it also plays a significant role in injury prevention, stability, and posture. Biceps and triceps may ...

The shoulder plays a key role in movements necessary for everyday activities. Older adults can protect their shoulders by performing exercises that focus on strength and mobility. Reaching, lifting, ...