Mean time spent above HRR thresholds during each measured session
| HRR threshold | Time spent above HRR threshold (min) | ||
| Start (n=56) | Mid (n=49) | End (n=46) | |
| 40% | 14.2±11.2 | 18.9±10.0 | 18.4±10.3 |
| 50% | 8.9±10.1 | 13.1±10.5 | 12.6±11.1 |
| 55% | 6.6±9.1 | 10.0±10.5 | 9.7±10.5 |
| 60% | 4.8±8.0 | 7.5±10.0 | 7.1±9.1 |
| 65% | 3.6±7.2 | 5.5±9.0 | 5.2±7.8 |
| 70% | 2.5±5.9 | 4.1±7.7 | 3.5±6.2 |
| 80% | 1.0±3.0 | 1.9±4.6 | 1.4±4.2 |
Data are presented as mean±SD. No differences were observed between sessions (p<0.05).
HRR, heart rate reserve.