Core exercises: Beyond your average abs routine
Core exercises strengthen your abs and other core muscles. Here's a primer on core exercises.
Core exercises are an important part of a well-rounded fitness program. Aside from the occasional sit-up or crunch, however, core exercises are often neglected.
So what are core exercises? And why are core exercises so important? Here's what you need to know about your core muscles - and how to get them in better shape.
Understanding your core