This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. “Right to the core,” “core values,” and “hardcore.” These little idioms highlight just how vital the concept of “core” is in our lives ...

There’s more to a strong stomach than a million sit-ups—and this beginner core workout is here to prove it. It's a quick six-move series that targets all 360 degrees of your midsection—from your ...