Before any chest workout routine, it’s important that you know how the chest muscles are structured.
The structure…
This is just to clarify things. Many people think that there are 2 chest muscles. That’s not true at all. It’s rather that it’s only one continuous muscle (the pectoralis muscle) with 2 major parts: the pectoralis major (the part which can be seen) and the pectoralis minor (the one underneath). The naming is just to distinguish the different parts of the same muscle.