Continued from Part 1 . So, in order to learn to strike a "live" opponent the way we would strike a "dead" target, we need more than bags and shields. We need to learn timing skills - skills that comprise appropriate, if not optimal, reactions. Sparring is going to test these skills, but won't necessarily teach them. What will teach these skills are drills: drills comprising elements of techniques isolated for practise. But as we've seen, such drills will probably not teach literal fighting techniques (ie. "when he does this, you do that"). Principles vs. techniques So if martial arts drills don't teach literal fighting techniques, what do they teach? As one of my colleagues at the Traditional Fighting Arts Forums is fond of saying, martial arts drills teach principles - not techniques. When you are taught a martial arts drill you learn a general principle of movement; an appropriate reaction using the correct biomechanics, optimal pos...