This simple bodyweight exercise is transforming routines across the U.S. by delivering full-core activation in less than a minute.

Planks are a simple, equipment-free exercise that strengthen your core, improve posture, and protect your back ...

This simple move can transform your core, posture, and overall strength—no equipment required.

Fast, effective, and no basic movements.

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 ...