Sick of your basic sit-ups? Pros say that a hips dip workout is even better than the boring old crunches that we're used to cranking out. Plank rocks with side-to-side knee dips are a way to fire up ...

Chances are, you already have an idea of how to do crunches. The classic abs exercise is one that you probably did at some point in a high school gym class or even while working out on your own. Core ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? If you've completed a core workout—or 100 of them—over the years, you likely ...