Table 5. Intra-investigator variation for the amount of energy expenditure and energy system contribution estimated at severe domain (n = 11).
| Investigator 1 | Investigator 2 | Investigator 3 | Investigator 4 | ICC | |
|---|---|---|---|---|---|
| Aerobic | |||||
| Kcal | 23.3 ± 8.5 | 23.3 ± 8.5 | 23.3 ± 8.5 | 23.3 ± 8.5 | 1.00 |
| kJ | 97.8 ± 35.5 | 97.8 ± 35.5 | 97.8 ± 35.5 | 97.8 ± 35.5 | 1.00 |
| LO2 | 4.6 ± 1.7 | 4.6 ± 1.7 | 4.6 ± 1.7 | 4.6 ± 1.7 | 1.00 |
| % | 65 ± 9 | 66 ± 9 | 68 ± 10 | 68 ± 10 | 0.97 |
| Anaerobic Lactic | |||||
| Kcal | 6.8 ± 2.3 | 6.8 ± 2.3 | 6.8 ± 2.3 | 6.8 ± 2.3 | 1.00 |
| kJ | 28.7 ± 9.9 | 28.7 ± 9.9 | 28.7 ± 9.9 | 28.7 ± 9.9 | 1.00 |
| LO2 | 1.3 ± 0.4 | 1.3 ± 0.4 | 1.3 ± 0.4 | 1.3 ± 0.4 | 1.00 |
| % | 22 ± 8 | 22 ± 8 | 21 ± 8 | 21 ± 8 | 0.99 |
| Anaerobic Alactic | |||||
| Kcal | 4.8 ± 2.5 | 4.5 ± 2.6 | 3.8 ± 2.6 | 3.8 ± 2.6 | 0.95 |
| kJ | 18.9 ± 11.3 | 18.9 ± 11.3 | 16.1 ± 10.9 | 16.1 ± 10.9 | 0.95 |
| LO2 | 0.9 ± 0.5 | 0.9 ± 0.5 | 0.8 ± 0.5 | 0.8 ± 0.5 | 0.95 |
| % | 13 ± 3 | 13 ± 8 | 11 ± 8 | 11 ± 8 | 0.94 |
| Total energy expenditure | |||||
| Kcal | 34.9 ± 4.4 | 34.6 ± 7.3 | 33.9 ± 4.5 | 33.9 ± 4.5 | 0.95 |
| kJ | 145.4 ± 18.9 | 145.4 ± 18.9 | 142.6 ± 18.7 | 142.6 ± 18.7 | 0.95 |
| LO2 | 6.9 ± 0.9 | 6.8 ± 0.9 | 6.7 ± 0.9 | 6.7 ± 0.9 | 0.95 |
Data are means ± standard deviations. ICC: Intraclass Correlation Coefficient.