Take a deep breath (avoid shrugging your shoulders and lifting your breath, which should be the feeling of slowly inhaling). Finally, hold the air port and mouthpiece tightly, leaving no gap, and exhale into the mouthpiece until you can no longer exhale. This can prevent you from inhaling from the mouthpiece at this time. Don't inhale twice in the middle of the test.
Extended data:
The method of exercising vital capacity
1, do interesting vocal exercises with straws. Like muscles in other parts of the body, the respiratory system needs exercise to stay healthy. There is a simple way to exercise the vocal cords and respiratory system at the same time. Put the straw in your mouth and hum hard.
2. Practice telling stories. Aaron johnson, an assistant professor of phonetics at the University of Illinois in the United States, believes that reading aloud is very important to exercise vital capacity. It is suggested that the old man read aloud an article in the newspaper after getting up every day.
3. Sing loudly. Edie Habana, head of the Department of Phonology and Linguistic Pathology at Emory University, said: "The health benefits of singing loudly cannot be underestimated." It is suggested that the elderly should sing along with the radio, join a choir or sing karaoke.
4. Exercise can also enhance vital capacity. Habner pointed out that when a person is in good health, his sound effect will be the best. Even simple walking can improve physical fitness, and its effect will extend to the respiratory system and even the sound field.
People's Network-Is vital capacity related to aging? Teach you 4 tricks to exercise your vital capacity