Can you strengthen your knees even though they aren’t a muscle? As a personal trainer, I have worked with many clients with bad knees, and we have always found that strengthening the muscles around ...

That daily walk you’re so proud of might actually be causing more harm than good. Not the walking itself—that’s still golden—but the way you’re doing it could be setting your knees up for a world of ...

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 ...