Physical therapist Dr. Aaron Horschig regularly shares videos on the Squat University channel designed to help people exercise more effectively and safely, getting the most benefit out of their ...

As a kid, I can vividly remember my parents patiently explaining why "sitting up straight" was important for both physical health and social perception. But I also remember wondering why either of ...

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 has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

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, ...