For example, BUGI includes the elements of speed and power. Power is the emergence of energy which is used to achieve a goal. Speed can create power and power can substitute for the lack of speed. Speed can create real destructive power, for example, when a hurricane wind blows a straw to such a velocity that it penetrates a wall. Conversely, even if moving slowly, a power of sufficient force can push through the same wall.
Effectiveness depends on whether they are applied correctly in light of particular conditions.
The first requirement for an accurate technique is proper posture. Proper posture allows one to generate all the power that one possesses, execute movements accurately and rapidly, and also maximize one's attacking or defensive power. Although the opponent's dead angle is the opponent's weak point which can be attacked, it is simultaneously much more than this, i.e. it is a place where one can maintain one's own safety. The third requirement is to use the body in a way that avoids collision, that is, a direct opposition of power against power, or movement against movement. To be most efficient in dealing with a confrontational relationship, one must use the opponent's power or movement and the minimally required amount of one's own movement and power to make the situation develop in the way one desires, that is, to one's own advantage.