Hi, I just had a conversation with some other karatekas about the correct form of gyaku-zuki.
When I say gyaku-zuki I'm talking about those that can be found, for example, in Kanku Dai, where you have a turn into uchi-uke (in-to-out) followed by gyaku-zuki. For the purpose of this question it does not necessarily have to be a tsuki, it could as well be a gyaku-empi, as in Kanku Dai after the koshi-kamae/yoko-geri when you put your foot back down and then bring your hip in to gyaku-empi hitting your own palm. Anyway, it's a reverse side technique delivered in zenkutsu-dachi and without moving further in the direction of the strike.
As we have seen in the forum thread on power generation, we basically want to thrust our back hip forward while pivoting at the front hip. This motion throws forward the back hand/arm.
Now here comes my (probably pedantic) question...
There seem to be (at least) five options of what your back foot should do:
- Nothing, the foot stays exactly where it was before the technique.
- Pivot on the ball of the foot (the heel moves backwards and a little to the outside).
- Pivot on the heel (the ball of the foot moves forward and a little to the inside) and make sure the heel is planted firmly to the ground so it stays in the same spot.
- Pivot on the heel (the ball of the foot moves forward and a little to the inside) and allow the back foot to slide forward a bit. In other words, the leg and foot are kind of drawn forward a little by the hip after the hip has been pushed forward forcefully by the leg and foot.
- Lift the heel while the ball of the foot remains in the same spot. This can often be seen in sports Kumite for example.
What do you do and why?
All the best