(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 ...

These 5 pushup variations test and build upper-body and core strength after 50 with joint-friendly progressions.

Background Gymnastic sports requires repetitive high load overhead movements that can lead to upper extremity injury. The scapula and the shoulder play a vital role in injury-free performance.

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 ...