Abs are mostly made in the kitchen, but you can help speed the process along by doing high-intensity workouts that burn calories and build muscle. This is one aspect of every CrossFit workout, which ...

Add Yahoo as a preferred source to see more of our stories on Google. CrossFit star Kari Pearce said intense, non-traditional exercises help build abs better than crunches. Her favorite underrated ...

My son likes to make up jokes, and recently he came at me with, "Where do pencils like to live? In Pennsylvania! Get it? Pencil-vania?" He was cracking up, and although the joke was as funny as a ...

Sara Sigmundsdottir is an Icelandic CrossFit athlete and one of the sport's biggest stars. Training her core is key, and she works her abs at the end of every session, she told Insider. Sigmundsdottir ...

If you're looking for strong, defined core muscles, crunches just aren't going to cut it, according to Kari Pearce, a former elite gymnast and six-time CrossFit Games athlete. "I definitely think ...