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 ...

Do you need to strengthen your core? If you've ever had a baby, if you spend a lot of time sitting, if you have pain or soreness, if you have a fitness goal or want to move safely and efficiently ...