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 Solutions for Back Pain Relief.” CNN  —  If you’re like most people, when you hear the word core, you probably think of six-pack abs. But your core is so much more than that — it’s the powerhouse that stabilizes, supports and moves you through life. Despite its central role in your body’s physical