Is hard work and dedication all you need to get defined abs? You'd be surprised to learn what really contributes to ab-definition! We previously talked about how having a strong core is important for working out. But some of you are more interested in the aesthetic sense of abs. So, we are going to dissect everything you need to know about the abdominal muscles down to its core (pun intended). Get ready to learn! Anatomy The abdominal muscles are made up of several layers tha