Outside of these components, there are also various rules that add to the tone and atmosphere in a class. Usually they have to do with the discipline at the beginning and end of the class plus other rules that govern the class' conduct. Another factor that adds to the structure of the class is the time allotted for the class. The half hour class will certainly be different from a class that runs for 45 minutes or one hour. The Typical Class Bow in .
Instructor leads the class through basics , counting through punches and blocks.
Then everyone does one last set of exercises . After a quick break, the black belts in class assist and teach the other students their katas . If there are enough black belts in class, they might break off later and work on their own. This part of class has become increasingly optional - sparring . Usually people free spar in two minute rounds near the end.