Table 3.
Reproducibility of the hyperemic and vasodilator kinetic response to rhythmic exercise across multiple trials and varying intensities
| Trial 1 | Trial 2 | P Value | CV, % | |
|---|---|---|---|---|
| 10% MVC | ||||
| FBF amplitude, ml/min | 140 ± 17 | 157 ± 23 | 0.20 | 11.8 ± 1.8 |
| τFBF, no. of duty cycles | 5.1 ± 0.8 | 5.5 ± 1.0 | 0.39 | 8.7 ± 1.9 |
| FVC amplitude, ml·min−1·100 mmHg−1 | 165 ± 18 | 181 ± 23 | 0.18 | 9.4 ± 1.7 |
| τFVC, no. of duty cycles | 5.3 ± 0.9 | 5.7 ± 1.0 | 0.17 | 5.4 ± 1.8 |
| 20% MVC | ||||
| FBF amplitude, ml/min | 310 ± 47 | 319 ± 53 | 0.53 | 5.3 ± 1.9 |
| τFBF, no. of duty of cycles | 7.3 ± 0.9 | 7.9 ± 1.1 | 0.20 | 8.8 ± 2.5 |
| FVC amplitude, ml·min−1·100 mmHg−1 | 333 ± 47 | 324 ± 45 | 0.43 | 6.1 ± 1.2 |
| τFVC, no. of duty cycles | 6.6 ± 0.9 | 6.8 ± 1.0 | 0.59 | 9.0 ± 1.3 |
| 30% MVC | ||||
| FBF amplitude, ml/min | 509 ± 53 | 507 ± 61 | 0.90 | 5.3 ± 2.0 |
| τFBF, no. of duty cycles | 9.1 ± 1.2 | 8.7 ± 1.1 | 0.52 | 9.0 ± 2.4 |
| FVC amplitude, ml·min−1·100 mmHg−1 | 505 ± 41 | 515 ± 33 | 0.39 | 3.0 ± 0.7 |
| τFVC, no. of duty cycles | 8.6 ± 1.0 | 8.4 ± 1.0 | 0.72 | 9.6 ± 1.6 |
Values are means ± SE.
CV, coefficient of variation (presented as mean intra-individual CV).