: who said CKD meditate ? is it not just breathing, B Murray come on what the crack ? ex student, bad instructor, never made black belt, koo self defence, dynamic self defence, what ?? what is your problem ? let me know, come to a good CKD school, honest my friend your enjoy it.   

 : surley CKd being the largets growing martial in the world is proof enough it is the most effective in the world, its well mentioned in many main stream magazine thats its that largest growing, also BMurray you wanted to use the same ref for some thing else !! 
 UFC rules does not prove effective, is UFC effective for over 50's to get more healthy ? mmm no, is UFC effective as a street defence mmm do they use knifes in UFC ? mmmm No  shall we put all the children from 3 years old into a UFC ring to see if there confidence improves ....what a complete div...so nate if I beat you does that mean shotokan karate is crap.. 
 I have worked on the door for many years and have never lost a street fight...