I was doing an at-home workout the other night and didn't like one of the ab exercises the trainer had listed for the oblique muscles, so I decided to swap it out with a side-lying crunch. It's been ...

With holidays, year-end projects and family vacations, our fitness can fall short from time to time, but simple, “do anywhere” kind of moves can definitely help. Our move today is an Assisted Standing ...

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Many people don’t use correct form when doing core ...

Here's why crunches are so good for your overall health.