Get ready to work out with trainer Jasmine Blocker, who will be leading this 10-minute total-core workout joined by Poofy Moffitino and Paris Nicole. No, you won't just be working your abs: this ...

Your core (that means both your back and abdominal muscles) is your source of power—seriously. It's also what helps stabilize your entire body, prevent low back pain, and impact your posture, helping ...

THE TRUE ROUTE to core strength—and to the hard, toned look many guys seek—has always been about more than crunches and hours of cardio. To shed belly fat and build brick-strong abs, you have to train ...