A lot of people complain that a certain portion of their chest is underdeveloped. Both in the gym and on internet forums, you will hear countless people say things like "I want to build my inner chest", or "How do I grow the lower/outer part of my chest?". Alot of these people have one thing in common; they are beginners and/or their chest is lacking in size overall. These individuals should continue doing basic exercises like pushups for the time being, and not worry about specialising on specific parts of the chest. If, however, you honestly feel that you have some decent mass overall, but are lacking in some areas, here is a bit of information that could help you.