Table 2.

Course of lung-conduction exercise.

No.	Course description	Time
1	Sit up comfortably and slowly while inhaling through the nose. After sufficient inhalation, hold breath while counting as high as you can tolerate. Then gently breathe out through your mouth (set 3 times, gradually increasing the time of practice)	5 min
2	While sitting on the ground with both hands and spine curled, exhale and while inhaling, swell your back, and raise your back up (set 5 times)	4 min
3	Hold your fists, bend your arms behind your back and tap your spine to the left and right (set 15 times)	4 min
4	Hold your breath for a while, close your eyes, bump your teeth several times, and swallow if the saliva is stuck in your mouth (set 3 times)	2 min
5	Sit up comfortably and slowly while inhaling through your nose. After sufficient inhalation, hold breath, while counting as high as you can tolerate, and then gently breathe out with your mouth (set 3 times, gradually increasing the time of practice)	5 min