How to control breathing is one of the most difficult things for beginner swimmers. This breathing means to change the airway which may be carried out by the soft palate. Controlling the soft palate is difficult because it is controlled by the autonomic nerves. The purpose of this research is to try to find the intentional way of soft palate control. We observed the motion of the soft palate with an endoscope and at the same time measured oral pressure. In order to change the exhaling route from the nose to the mouth, we found that to pronounce the sound 'Mnn' and 'Pah' is best way to control the soft palate spontaneously.
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