Editor’s note: Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports, and is the author of the book “Practical ...

But that tight, pinching sensation where the top of your thighs meet your hips is definitely not just a nonagenarian thing. If your hips are killing you, you probably spend a lot of time sitting-in ...

Tight hip flexors, especially a deep muscle called the psoas, can silently stress your spine. Here's why this muscle deserves more attention—and how to strengthen it. Lower back pain is often blamed ...