(CNN) — When your shoulders ache or feel stiff, your first instinct might be to stretch or massage them. But the real culprit behind most shoulder problems isn’t surface-level tension — it’s more ...

(CNN) — When your shoulders ache or feel stiff, your first instinct might be to stretch or massage them. But the real culprit behind most shoulder problems isn’t surface-level tension — it’s more ...

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 Solutions for Back ...