TABLE 1.
Baseline characteristics and resting values for participants taking part in three different exercise protocols.
| Baseline characteristics (n = 24; 9 female) | Mean | SD |
| Age (years) | 23 | 5 |
| Body Mass (kg) | 73.0 | 11.1 |
| VO2peak (mL⋅min–1) | 3,185 | 544 |
| VO2peak (mL⋅kg–1⋅min–1) | 43.9 | 6.4 |
| Resting values | ||
| MICT | ||
| MCAv (cm⋅s–1) | 72.0 | 13.6 |
| PETCO2 (mmHg) | 33.8 | 3.6 |
| HR (beats⋅min–1) | 68 | 10 |
| BDNF (pg⋅mL–1) | 112.5 | 75.8 |
| IGF-1 (ng⋅mL–1) | 1,960 | 1,350 |
| VEGF (pg⋅mL–1) | 456.5 | 980.6 |
| Lactate (mM) | 1.1 | 0.2 |
| HIIT | ||
| MCAv (cm⋅s–1) | 70.4 | 11.4 |
| PETCO2 (mmHg) | 33.6 | 3.6 |
| HR (beats⋅min–1) | 67 | 12 |
| BDNF (pg⋅mL–1) | 134.0 | 91.6 |
| IGF-1 (ng⋅mL–1) | 1,905 | 1,160 |
| VEGF (pg⋅mL–1) | 404.9 | 770.8 |
| Lactate (mM) | 1.1 | 0.3 |
| SIT | ||
| MCAv (cm⋅s–1) | 70.5 | 11.8 |
| PETCO2 (mmHg) | 33.4 | 3.2 |
| HR (beats⋅min–1) | 71 | 10 |
| BDNF (pg⋅mL–1) | 134.8 | 104.5 |
| IGF-1 (ng⋅imL–1) | 2,101 | 1,444 |
| VEGF (pg⋅mL–1) | 369.2 | 740.1 |
| Lactate (mM) | 1.3 | 0.9 |
SD, standard deviation; MICT, moderate intensity continuous training; HIIT, high intensity interval training; SIT, sprint interval training; MCAv, middle cerebral artery velocity; PETCO2, partial pressure of end-tidal carbon dioxide; HR, heart rate; BDNF, brain-derived neurotrophic factor; IGF-1, insulin-like growth factor 1; VEGF, vascular endothelial growth factor.