In my previous article for this series, I elaborated on the importance of concept driven training. Combining solid fundamental basic techniques and concepts is the roadmap to technical advancement in grappling arts and Brazilian Jiu Jitsu. However there is a physical aspect of the grappling game that is often neglected, if not completely ignored.
In the early days of BJJ, since the art was originally created for self-defense, everything was all about technique. The idea was that with proper technique, no matter how small or weak you were, you should be able to submit your opponents.