Table 1. Difference of average heart rates (beats/min) of horses between experienced rider (regular reins) and beginner rider (regular reins & buffer reins)
| Rider | Reins | Walk | Rising trot | Sitting trot |
| Heart rate (beats/min) | Experienced rider (E) | Regular (a) | 60.86 ± 13.34 (100.00%) | 87.80 ± 11.81 (144.27%) | 84.29 ± 13.23 (138.50%) |
| Beginner rider (B) | Regular (a) | 63.89 ± 8.02 (104.98%) | 92.72 ± 12.05 (152.35%) | 95.56 ± 13.21 (157.02%) |
| Beginner rider (B) | Buffer (b) | 59.12 ± 14.07 (97.14%) | 87.31 ± 13.07 (143.46%) | 85.52 ± 12.65 (140.52%) |