Applicable Population:
People with shortness of breath or wheezing.
People doing lung training.
People engaged in daily fitness and sports.
Vocal music workers.
Purposes.
To improve vital capacity.
To exercise the muscle strength of the lungs.
Training Steps:
Take a deep breath and hold it.
Press your lips tightly against the mouthpiece.
Keep blowing air continuously.
Continue until you have blown out all the air.
Release the mouthpiece.
Check the vital capacity.
Clean the mouthpiece.
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