If the term chamber isn't used, but the technique is being taught, then fine; that could be a language issue. I've never heard GM Kim use the word chamber in instruction, but he instructs the technique....to give you an example, we have not been taught anything about "chamber", and there are only 3 of us who do not hop on the spinning leg during a tornado kick, and a girl who was testing was asked to break a board with a punch, and she punched it with her thumb inside of her fist, elbow at shoulder level (is there a smilie with a bag over it's head?).
The tornado kick isn't the biggest indicator; it is a difficult kick, even at black belt level. The girl being allowed to punch in a way that is so obviously wrong is of greater concern if it was not corrected by the instructor.
This is the biggest problem that I see in what you have described. Depending on the age of the students, they may or may not be able to receive correction and effect it. But regardless, correction should be given. The impression that this gives is one of kiddie blackbelt factory, while the more serious students receive more in depth instruction. The biggest problem here is that some of those kiddies become serious students, and then must unlearn all of the bad habbits that they were allowed to pick up.The older students are given more detailed instruction, and would never be allowed to punch that way, but it bothers me that the younger students are allowed such improper technique that they could actually badly hurt themselves. I believe I am receiving the most detail of all, but still...
Daniel
Edit: I am of the opinion that if a student is unable to receive instruction due to age, then the parents should simply be told so. Some four year olds take to trainng very well. Others can't keep from running around and goofing off for more than about five minutes, which is not uncommon for four year olds. Such students simply need a little more time to mature. Some older kids, such as from eight to twelve, can comprehend what is being told to them but they don't have the physical coordination and/or muscle tone to truely correct it. For those students, it can simply be a matter of working on correcting the technique. This requires a fair amount of instructor involvement, however.
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