Table 2: Effects of various amplitudes of vibration on the time and frequency domain indices of HRV.
|
Pre-test |
Post-30 min |
Post-60 min |
|
HVT |
LVT |
CON |
HVT |
LVT |
CON |
HVT |
LVT |
CON |
| Mean RR (ms) |
956 ± 135 |
993 ± 97 |
998 ± 131 |
761 ± 91a
|
735 ± 74a
|
732 ± 103a
|
818 ± 97a, b
|
809 ± 81a, b
|
795 ± 107a, b
|
| SDNN (ms) |
69 ± 22 |
76 ± 39 |
87 ± 31 |
42 ± 17a
|
40 ± 17a
|
34 ± 19a
|
60 ± 18b
|
64 ± 23b
|
64 ± 35b
|
| RMSSD (ms) |
58 ± 33 |
61 ± 32 |
74 ± 40 |
23 ± 17a
|
21 ± 14a
|
17 ± 16a
|
31 ± 18b
|
36 ± 21a
|
28 ± 20a, b
|
| lnLF (ms2) |
6.65 ± 0.65 |
6.47 ± 1.13 |
7.24 ± 0.96 |
5.90 ± 0.97 |
5.60 ± 1.17 |
5.36 ± 1.32a
|
6.62 ± 0.66b
|
6.69 ± 1.10b
|
6.47 ± 0.98b
|
| lnHF (ms2) |
6.85 ± 1.30 |
6.63 ± 1.49 |
7.35 ± 1.09 |
4.94 ± 1.81a
|
5.01 ± 1.70 |
4.07 ± 1.86a
|
5.67 ± 1.53b
|
5.97 ± 1.56 |
5.32 ± 1.67a, b
|
| CCVLF (%) |
3.11 ± 1.11 |
2.86 ± 1.20 |
4.20 ± 2.14 |
2.72 ± 1.18 |
2.56 ± 1.35 |
2.33 ± 1.35 |
3.47 ± 0.84 |
3.90 ± 1.83 |
3.48 ± 1.39 |
| CCVHF (%) |
3.71 ± 1.89 |
3.35 ± 1.91 |
4.44 ± 2.02 |
2.01 ± 1.32 |
2.12 ± 1.35 |
1.42 ± 1.13a
|
2.51 ± 1.42 |
3.03 ± 1.95 |
2.28 ± 1.58a, b
|
ap < 0.05, compared with the pretest; bp< 0.05, compared with post-30 min. Values are mean ± SD.