But taking the human weapon into consideration, you need to consider much more in depth than that analogy. Pushing and pulling and increasing speed of motion to different directions does help a bit for not becoming an easy target.
So the idea of getting fluid and faster than your opponent being able to accelerate to faster bodily motion triggered by a threat is not bad in its nature, but the way to get there is not buy endless repetitive drilling that instill bad habits. Bad habits due to dedicated time put in could be your number one enemy!
Pure Krav Maga is a State of the art training system based on breakeven points of virtual most efficient opponent model and human reactionary time. It is based on solid foundations of developing optimal reaction habits prior to drilling so that one does not develop perpetuating bad habits and therefore bad skills. Pure Krav Maga therefore, is the most efficient and effective training system in hand-to-hand-combat that exist, since the aforementioned is applied - It is simply second to none!