Table 1.
The effect of the difficulty of the course on the heart rate and heart rate variability parameters of show jumper horses.
| Parameters | Level of the Course (Difficulty) | RMSE * | p | ||
|---|---|---|---|---|---|
| 100 cm | 120 cm | 130 cm | |||
| Length of exercise (min) | 48.3 | 54.5 | 61.4 | 9.0 | 0.1665 |
| Average heart rate (bps) | 102.5 | 110.8 | 107.9 | 21.7 | 0.5000 |
| Maximum heart rate (bps) | 170.8 | 152.9 | 152.2 | 31.5 | 0.1624 |
| Average R-R (ms) | 672.3 | 609.6 | 682.1 | 155.9 | 0.2813 |
| Minimum R-R (ms) | 381.5 | 414.3 | 444.0 | 105.9 | 0.2585 |
| Maximum R-R (ms) | 1592 a | 1141 b | 1209 a,b | 538.9 | 0.0355 |
| SD1 (ms) | 69.2 a | 14.9 b | 18.6 a,b | 64.3 | 0.0283 |
| SD2 (ms) | 240.7 | 194.0 | 213.2 | 112.5 | 0.4443 |
| RMSSD (ms) | 97.9 a | 21.1 b | 26.3 a,b | 91.0 | 0.0284 |
| pNN50 (%) | 8.2 a | 1.9 b | 3.1 a,b | 7.5 | 0.0386 |
| VLF (%) | 70.5 a | 86.2 b | 87.5 b | 14.9 | 0.0027 |
| LF (%) | 16.6 | 10.9 | 10.2 | 7.7 | 0.0377 |
| HF (%) | 6.0 | 3.0 | 2.3 | 5.9 | 0.1689 |
a,b Means with the same letter are not significantly different (p > 0.05); * RMSE route mean square error.