Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

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 ...

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, ...