Get a bikini-worthy middle

Who hasn’t wished for rock hard abs, a whittled waist or a flat belly? Many aspire to be as trim and toned in the middle as people they see on TV, but don’t know the first thing about strengthening their core - aside from the outdated practice of performing hundreds of sit-ups.

To really get results it’s important to know what muscles you’re working and the best moves to work them with.

What are the abdominis muscles and where are they located?