Or why if you watch a actual match, whether it is kickboxing, boxing, MMA or really anything with actual contact it never shows up?
Quite simply it gives you a bit of tunnel vision, having your mouth wide open is a bad idea when someone is trying to hit you unless you like drinking all your meals.
Anyways, all that was probably well and good if you where a samurai who was set to live and die on orders. Might need that little boast if you are walking into someone else sword as you attack.
So how about Karate & Tae Kwon Do? Well, traditional karate only really goes back to the early 20th century, and Tae Kwon Do branched off of that. It was in the lead up and aftermath of WW2 that it really took it’s shape in Japan. Karate became a tool to train children in Physical Education, which in imperial Japan meant prepping for battle. Taking a lot of influence from Kendo (way of the sword) it developed into it’s modern form.
A big piece of this was attacking with everything, for one hit. Forgetting about the after, and focusing all you got into landing that single hit. From this we got modern point fighting competitions, where action is halted every hit.
We don’t believe in this at Innovative Martial Arts, our philosophy is not one hit, one kill. While yelling can, at times, be used to develop confidence, so can many other things. We believe in tactical and strategic fighting, protecting yourself first and foremost. Remaining calm and acting intelligently under pressure… and not upsetting our neighbours too much 🙂