Table 2.
Summary of results for the performance metrics.
| Variable | Group | Mean (SD) | η² | p-value |
|---|---|---|---|---|
| Time Trials (s) | ||||
| 1500m | Baseline | 321.36 (45.34) | 0.15¥ | 0.10 |
| SD-CE | 322.24 (43.96) | |||
| 28-CE | 307.93 (30.69) | |||
| 400m | Baseline | 73.47 (10.99) | 0.07 | 0.39 |
| SD-CE | 73.82 (10.21) | |||
| 28-CE | 70.4 (7.76) | |||
| Muscle Oxygenation Metrics | ||||
| Baseline SmO2 (%) | Baseline | 81.8 (6.8) | 0.2¥ | 0.14 |
| SD-CE | 79.8 (8.2) | |||
| 28-CE | 80.4 (8.4) | |||
| Baseline THb (AU) | Baseline | 12.5 (0.5) | 0.03 | 0.71 |
| SD-CE | 12.4 (0.4) | |||
| 28-CE | 12.5 (0.4) | |||
| 1500m | ||||
| Deoxy Rate (%/s) | Baseline | -4.6 (2.6) | 0.2¥ | 0.13 |
| SD-CE | -4.8 (1.5) | |||
| 28-CE | -4.1 (1.8) | |||
| Peak Deoxy (∆%) | Baseline | -59.9 (12,5) | 0.07 | 0.55 |
| SD-CE | -61.3 (6.8) | |||
| 28-CE | -57.6 (20.7) | |||
| Mean SmO2 (%) | Baseline | 30.0 (11.4) | 0.02 | 0.82 |
| SD-CE | 28.2 (6.8) | |||
| 28-CE | 28.4 (14.0) | |||
| 400m | ||||
| Deoxy Rate (%/s) | Baseline | -5.1 (2.6) | 0.005 | 0.95 |
| SD-CE | -4.8 (1.1) | |||
| 28-CE | -5.0 (2.3) | |||
| Peak Deoxy (∆%) | Baseline | -63.6 (15.0) | 0.01 | 0.90 |
| SD-CE | -68.2 (8.2) | |||
| 28-CE | -63.4 (21.2) | |||
| Mean SmO2 (%) | Baseline | 27.3 (9.6) | 0.01 | 0.89 |
| SD-CE | 26.6 (9.5) | |||
| 28-CE | 26.0 (11.5) |
Mean data expressed as means ± SD. Repeated measures ANOVA p-levels and partial ETA squared (η²) listed for each variable. ¥ represents a large effect size (η² ≥ 0.14);
*
represents p<0.05. SmO2 muscle oxygen saturation, THb total hemoglobin, Deoxy muscle deoxygenation.