Skip to main content

Table 1 Breath rate and HRV measures in HFYB sessions.

From: Heart rate variability changes during high frequency yoga breathingand breath awareness

Variables Pre During 1 During 2 During 3 Post 1 Post 2 Post 3
Breath rate (breaths/min) 16.45 ± 2.61 60.64 ± 7.39*** 61.13 ± 7.24*** 62.54 ± 7.58*** 16.02 ± 2.87 16.66 ± 3.09 16.55 ± 3.30
LF (nu) 72.37 ± 2.86 71.80 ± 6.68 71.85 ± 6.57 72.52 ± 6.00 71.72 ± 2.67 72.36 ± 2.43 73.05 ± 2.74
HF (nu) 27.63 ± 2.86 28.20 ± 6.68 28.15 ± 6.57 27.48 ± 6.00 28.28 ± 2.67 27.64 ± 2.43 26.95 ± 2.74
LF/HF (nu) 2.67 ± 0.53 2.67 ± 0.57 2.68 ± 0.59 2.75 ± 0.54 2.57 ± 0.32 2.64 ± 0.31 2.75 ± 0.40
Mean RR (sec) 0.98 ± 0.17 0.84 ± 0.14*** 0.84 ± 0.14*** 0.84 ± 0.12*** 0.96 ± 0.15 0.96 ± 0.15 0.93 ± 0.14**
NN50 (count) 132.03 ± 55.02 40.76 ± 60.03*** 38.16 ± 65.65*** 40.00 ± 60.14*** 129.03 ± 56.43 126.58 ± 56.29 115.63 ± 56.24
pNN50 (%) 44.76 ± 21.51 11.39 ± 15.31*** 10.55 ± 16.79*** 11.53 ± 16.92*** 42.77 ± 21.49 41.79 ± 21.50 37.40 ± 21.15*
  1. * p < 0.05, **p < 0.01 and ***p < 0.001, Repeated measures analyses of Variance (RMANOVA), with post-hoc analyses comparing During and Post