Jeet Kune Do (JKD)

Jeet Kune Do or JKD is a hybrid martial arts system and life philosophy founded by world renowned martial artist Bruce Lee in 1967 with direct, non classical and straightforward movements. The system works on the use of different 'tools' for different situations. These situations are broken down into ranges (Kicking, Punching, Trapping and Grappling), with techniques flowing smoothly between them. It is referred to as a "style without style". Unlike more traditional martial arts, Jeet Kune Do is not fixed or patterned, and is a philosophy with guiding thoughts. It was named for the concept of interception, or attacking your opponent while he is about to attack. However the name Jeet Kune Do was often said by Bruce Lee to be just a name. He himself often referred to it as "The art of expressing the human body" in his writings and in interviews. Through his studies Bruce came to see that styles had become too rigid, and unrealistic. He called martial art competitions of the day "Dry land swimming". He believed that combat was spontaneous, and that a martial artist cannot predict it, only react to it, and that a good martial artist should "Be like water" and move fluidly without hesitation. In 2004, the Bruce Lee Foundation decided to use the name Jun Fan Jeet Kune Do (振藩截拳道) to refer to the martial arts system that Lee founded. "Jun Fan" was Lee's Chinese given name, so the literal translation is "Bruce Lee's Way of the Intercepting Fist.

Lee's philosophy

Jeet Kune Do (JKD) is the name Bruce Lee gave to his combat system and philosophy in 1967. Originally, when Lee began researching various fighting styles, he gave his martial art his own name of Jun Fan Gung Fu. However not wanting to create another style that would share the limitations that all styles have, he instead described the process that he used to create it:

I have not invented a "new style," composite, modified or otherwise that is set within distinct form as apart from "this" method or "that" method. On the contrary, I hope to free my followers from clinging to styles, patterns, or molds. Remember that Jeet Kune Do is merely a name used, a mirror in which to see "ourselves". . . Jeet Kune Do is not an organized institution that one can be a member of. Either you understand or you don't, and that is that. There is no mystery about my style. My movements are simple, direct and non-classical. The extraordinary part of it lies in its simplicity. Every movement in Jeet Kune-Do is being so of itself. There is nothing artificial about it. I always believe that the easy way is the right way. Jeet Kune-Do is simply the direct expression of one's feelings with the minimum of movements and energy. The closer to the true way of Kung Fu, the less wastage of expression there is. Finally, a Jeet Kune Do man who says Jeet Kune Do is exclusively Jeet Kune Do is simply not with it. He is still hung up on his self-closing resistance, in this case anchored down to reactionary pattern, and naturally is still bound by another modified pattern and can move within its limits. He has not digested the simple fact that truth exists outside all molds; pattern and awareness is never exclusive. Again let me remind you Jeet Kune Do is just a name used, a boat to get one across, and once across it is to be discarded and not to be carried on one's back.

– Bruce Lee

Modern Jeet Kune Do philosophy

JKD as it survives today — if one wants to view it "refined" as a product, not a process — is what was left at the time of Bruce Lee's death. It is the result of the life-long martial arts development process Lee went through. Bruce Lee stated that his concept is not an "adding to" of more and more things on top of each other to form a system, but rather, a winnowing out. The metaphor Lee borrowed from Chan Buddhism was of constantly filling a cup with water, and then emptying it, used for describing Lee's philosophy of "casting off what is useless". He also used the sculptor's mentality of beginning with a lump of clay and hacking away at the "unessentials"; the end result was what he considered to be the bare combat essentials, or JKD.

The core concepts of JKD are derived from Wing Chun. This includes such ideas as centerline control, punching with a vertical fist, trapping, and forward pressure. Through his personal research and readings, Lee also incorporated ideas from boxing and fencing. Later during the development of Jeet Kune Do, he would expand to include the art for personal development, not just to become a better fighter. To illustrate Lee's views, in a 1971 Black Belt Magazine article, Lee said "Let it be understood once and for all that I have NOT invented a new style, composite or modification. I have in no way set Jeet Kune Do within a distinct form governed by laws that distinguish it from 'this' style or 'that' method. On the contrary, I hope to free my comrades from bondage to styles, patterns and doctrines."

One of the theories of JKD is that a fighter should do whatever is necessary to defend himself, regardless of where the techniques come from. One of Lee's goals in Jeet Kune Do was to break down what he claimed were limiting factors in traditional martial arts training, and seek a fighting thesis which he believed could only be found within the reality of a fight. Jeet Kune Do is currently seen as the genesis of the modern state of hybrid martial arts.

Jeet Kune Do not only advocates the combination of aspects of different styles, it also can change many of those aspects that it adopts to suit the abilities of the practitioner. Additionally, JKD advocates that any practitioner be allowed to interpret techniques for themselves, and change them for their own purposes. For example, Lee almost always chose to put his power hand in the "lead," with his weaker hand back; within this stance he used elements of boxing, fencing and Wing Chun. Just like fencing, he labeled this position the "On Guard" position. Lee incorporated this position into his JKD as he felt it provided the best overall mobility. He felt that the dominant or strongest hand should be in the lead because it would perform a greater percentage of the work. Lee minimized the use of other stances except when circumstances warranted such actions. Although the On-Guard position is a good overall stance, it is by no means the only one. He acknowledged that there were times when other positions should be utilized.

Lee felt the dynamic property of JKD was what enabled its practitioners to adapt to the constant changes and fluctuations of live combat. He believed that these decisions should be done within the context of "real combat" and/or "all out sparring" and that it was only in this environment that a person could actually deem a technique worthy of adoption.

Bruce Lee did not stress the memorization of solo training forms or "Kata", as most traditional styles do in their beginning-level training. He often compared doing forms without an opponent to attempting to learn to swim on dry land. Lee believed that real combat was alive and dynamic. Circumstances in a fight change from millisecond to millisecond, and thus pre-arranged patterns and techniques are not adequate in dealing with such a changing situation. As an anecdote to this thinking, Lee once wrote an epitaph which read: 'In memory of a once fluid man, crammed and distorted by the classical mess.' The "classical mess" in this instance was what Lee thought of classical martial arts.

Bruce Lee's comments and methods were seen as controversial by many in his time, and still are today. Many teachers from traditional schools disagreed with his opinions on these issues.

The notion of cross-training in Jeet Kune Do is similar to the practice of mixed martial arts (MMA). Many consider Jeet Kune Do to be the precursor of MMA because of its syncretic nature. This is particularly the case with respect to the JKD "Combat Ranges". A JKD student is expected to learn various combat systems within each combat range, and thus to be effective in all of them