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 ...

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. We’re going to start ...

Shoulders are one of the primary areas of muscle gain in the bulking up process. Once the shoulder muscles have widened, it automatically increases space for the chest and wings to broaden. Freehand ...