Breathing is essential to generate the energy needed in each technique. Therefore it is important to practice with different exercises that can create. We differentiate the parts: expiratory (ko) and inspiration (kyu). These in turn can perform soft or explosively so that a complete breathing or may be executed KOKYU 4 different ways based on the combination of the parties mentioned; es decir, we can make the soft and gentle KYU KO, KO soft and explosive KYU, KYU KO explosive soft and finally the explosive and explosive KYU KO. The work presented below exercising each of these combinations. a kata is established as a form of symmetric study, its OYO or trying to simplify it differently without performing repetitions, BUNKAI as possible its actual application of the techniques and finally the explanation of the BUNKAI. Creator: sensei Daniel Tchey.