These hamstring moves will leave you strong, flexible, and injury-free.

And the reason may surprise you: In many cases, “tight” hamstrings aren’t caused by a lack of flexibility — the muscles are tensing in response to instability in other areas. And until you address the ...

(CNN) — Hamstring tightness is one of the most common complaints I hear from athletes, everyday exercisers and desk workers alike. No matter how much you may try to stretch, the tightness doesn’t go ...

Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports. She is also the author of “Practical Solutions for Back Pain ...