Table 2.
Changes in Frequency Domain Analysis of the Heart Rate Variability Components; Values Are Group Mean±SD
| |
|
During |
|
|
|
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|---|---|---|---|---|---|---|---|---|---|
| Sessions | Variables | Pre | D1 | D2 | D3 | D4 | Post | Direction of change | Interpretation of change |
| Cancalata | LF (n.u.) (Hz) | 52.83±18.64 | 61.24±16.05* | 62.33±17.55* | 64.81±17.38** | 62.53±17.66 | 62.11±18.82* | ↑ | NK |
| HF (n.u.) (Hz) | 46.43±19.45 | 38.75±16.05 | 37.67±17.55 | 35.21±17.35 | 37.40±17.57 | 37.89±18.82 | — | ||
| LF/HF ratio | 1.85±2.03 | 2.81±4.66 | 3.19±4.79 | 3.18±3.34 | 2.91±3.98 | 2.98±3.52 | — | ||
| Ekagrata | LF (n.u.) Hz | 54.90±15.98 | 63.56±18.00* | 62.16±16.57* | 62.52±16.52 | 63.22±17.06* | 63.15±17.26* | ↑ | NK |
| HF (n.u.) Hz | 45.11±15.99 | 36.44±18.00* | 37.82±16.58* | 37.48±16.52 | 36.76±17.03* | 36.85±17.26* | ↓ | ↓ PNS | |
| LF/HF ratio | 1.65±1.45 | 3.04±3.37* | 2.36±2.03* | 2.34±1.78 | 2.51±1.92* | 2.79±2.73* | ↑ | NK | |
| Dharana | LF (n.u.) Hz | 59.45±15.56 | 55.97±19.79 | 59.22±17.69 | 59.64±17.24 | 53.74±17.23 | 58.54±15.43 | — | |
| HF (n.u.) Hz | 40.55±15.56 | 45.03±19.79 | 40.77±17.69 | 40.36±17.24 | 47.25±17.43 | 41.46±15.43 | — | ||
| LF/HF ratio | 1.86±1.19 | 1.96±2.03 | 2.05±1.75 | 2.15±1.87 | 1.66±1.65 | 1.96±1.75 | — | ||
| Dhyana | LF (n.u.) Hz | 60.42±15.57 | 46.20±20.16*** | 51.10±19.55* | 50.46±16.39* | 44.86±13.07*** | 49.50±17.07* | ↓ | NK |
| HF (n.u.) Hz | 39.58±15.57 | 53.80±20.15*** | 48.90±19.54* | 49.53±16.40* | 54.53±13.57*** | 50.50±17.07* | ↑ | ↑ PNS | |
| LF/HF ratio | 2.30±2.52 | 1.62±3.03 | 1.53±1.42 | 1.35±1.17 | 0.98±0.73 | 1.31±1.11 | — | ||
*
p<0.05.
**
p<0.01.
***
p<0.001.
Repeated measures ANOVA with Bonferroni adjustment comparing During and Post values with Pre values.
LF, low frequency band of the HRV; HF, high frequency band of the HRV; LF/HF, ratio of low frequency to high frequency; SNS, sympathetic nervous system activity; PNS, parasympathetic nervous system activity; NK, not known; n.u., normalized units.