Table 1 Measurement protocol
Step | Body position | Breathing style | Frequency [Hz] |
|---|---|---|---|
0 | Stabilization – supine | Free | |
1 | Supine | Free | |
2 | Supine | Free | |
3 | Sitting | Free | |
4 | Standing | Free | |
5 | Sitting | Free | |
6 | Sitting | Controlled | 0.25 |
7 | Sitting | Controlled | 0.15 |
8 | Sitting | Controlled | 0.33 |
9 | Sitting | Controlled | 0.10 |
10 | Sitting | Free | |
11 | Active standing up (30 s sitting, 30 s standing) | Free | |
12 | Active standing up (20 s sitting, 20 s standing, 20 s sitting) | Free | |
13 | Sitting | Free |