In SKD we keep emphasizing the learning and training of the basic stance. The logic is simple – you need a stable base before you can move your body and arms like whips to generate power fast and hard without losing your balance.
Below is an example of what I mean :-
I am doing these three techniques without stepping. In our partner practice we have to do these type of techniques fast while stepping and hitting continuously against a partner who is feeding us a barrage of punches.
The video below is a short explanation of what is involved in our stance training :-
When we can move our body and whirl our arms freely then we understand what is meant by fists moving like whirlwind.