Holding your breath can also enhance the contractility of the chest, so you can practice holding your breath at ordinary times, use the correct method of holding your breath, exhale, inhale and hold your breath regularly, and master the time. However, holding your breath is not for everyone. For people with poor heart and lung, breath-holding training is not allowed. Because holding your breath requires higher cardiopulmonary function, it will aggravate the patient's condition.
training method
Ordinary people can practice for 3 to 4 minutes. But be careful to hold your breath during training, because your body is actually in a very anoxic state after training, and your own obvious experience is that you don't feel any discomfort, as if you don't want to breathe at all. So if you don't pay attention or your heart and lung function is not good, you will faint if you don't breathe for a long time, and your will will will be gone.
Excellent freestyle divers and breathless masters always face such life threats, so if you practice holding your breath according to the method, you must be careful not to force yourself to extend the time.