Читать книгу Straight Lead. The Core of Bruce Lee's Jun Fan Jeet Kune Do онлайн
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Figure 17: Side view of upper-body coil.
The power line is the reason why we punch “thumbs up,” as opposed to the palm-down fist we see in modern boxing. It’s also why we use the bottom three knuckles as our striking surface instead of the top two knuckles used in other martial arts.
The power line is quite simply determined by our anatomy. If you extend your arm and make a fist, you’ll see that there is a straight line from your shoulder to those bottom three knuckles, not to the top two knuckles.
The origins of the power line may be traced to Jack Dempsey. Chapter 9 of Championship Fighting is heavily underlined in Bruce Lee’s copy.12 Dempsey defined the power line as a straight line that runs from your shoulder and exits at your bottom fist knuckle. Because of the way we are anatomically structured, this is the purest, most solid point of contact. To use the top knuckles disrupts the focus of the power line.13 I don’t make the rules. We’re just built this way.
In accordance with Bruce Lee’s advocating of kinesthetic learning, I recommend that you try the following. Stand in front of a wall in the JKD stance. Extend your arm and fist. Rest the bottom three knuckles on the wall. Take a moment to feel the solidity of contact. Try lightly tapping the wall as you go through the motion of throwing a straight. This is how you should land every time you throw a straight lead. See Figure 18.