Anyone who has been in the martial arts for any period of time knows that proper body mechanics is key to success in any self defense situation. Even in a competition it is required to assure victory. But oddly enough it is not very well understood by most martial artists.
I could do entire weeks worth of workshops on this topic alone, but alas who has the time? In the video below Master Curt Mason goes into the basics as it pertains to pressure point work.