Have you ever considered the fact that for the vast majority of humanity's existence, problem solving was almost always directly tied to physical movement?  After all, there were almost no problems--finding or hunting food, needing shelter, getting water, etc.--that didn't require a physical solution.   Thus, physical movement actually affects brain function, and certain kinds of physical movement are shown to unlock more divergent, creative thinking and problem solving.  This podcast gives you a critical key to unlocking your divergent thinking!