Table 1 The effects of interval and continuous exercise regimens on cardiopulmonary fitness in normoxia.
HIIT | MICT | CTL | ||||
|---|---|---|---|---|---|---|
Pre | Post | Pre | Post | Pre | Post | |
Anthropometric data | ||||||
Age, yr | 21.1 ± 0.4 | – | 21.3 ± 0.6 | – | 21.9 ± 0.5 | – |
Height, cm | 172.1 ± 1.1 | – | 172.9 ± 0.6 | – | 173.0 ± 0.9 | – |
Weight, kg | 67.6 ± 2.0 | 68.1 ± 1.7 | 67.1 ± 1.4 | 67.0 ± 1.4 | 66.2 ± 1.9 | 65.8 ± 1.7 |
BMI, kg·m−2 | 22.5 ± 0.4 | 22.5 ± 0.4 | 22.3 ± 0.7 | 22.4 ± 0.5 | 21.9 ± 0.5 | 22.0 ± 0.9 |
Hemodynamic characteristics at rest | ||||||
HR, bpm | 69 ± 2 | 67 ± 1 | 69 ± 2 | 67 ± 2 | 69 ± 3 | 69 ± 4 |
SV, ml | 68.5 ± 2.6 | 78.3 ± 1.4 *,# | 68.6 ± 2.7 | 75.2 ± 2.1 | 68.2 ± 2.0 | 68.5 ± 2.3 |
CO, L·min−1 | 4.8 ± 0.3 | 5.1 ± 0.2 | 4.8 ± 0.4 | 5.0 ± 0.4 | 4.7 ± 0.8 | 4.8 ± 0.5 |
MAP, mmHg | 90 ± 2 | 85 ± 2 * | 91 ± 3 | 86 ± 2 * | 88 ± 3 | 89 ± 3 |
TPR, mmHg·L−1·min−1 | 18.7 ± 0.7 | 16.5 ± 0.8 * | 19.1 ± 0.6 | 17.0 ± 0.7 * | 18.7 ± 0.9 | 18.5 ± 1.1 |
Ventilatory threshold | ||||||
Work-rate, W | 108 ± 9 | 157 ± 6 *,**,# | 109 ± 6 | 137 ± 7 *,# | 106 ± 7 | 108 ± 11 |
HR, bpm | 137 ± 6 | 156 ± 5 *,**,# | 136 ± 5 | 146 ± 4 * | 138 ± 6 | 139 ± 8 |
VO2, mL·min−1·kg−1 | 20.8 ± 1.1 | 27.3 ± 1.2 *,**,# | 21.1 ± 1.6 | 23.9 ± 1.1 * | 21.5 ± 1.2 | 21.2 ± 1.4 |
Maximal performance | ||||||
Work-rate, W | 189 ± 8 | 241 ± 6 *,**,# | 190 ± 6 | 226 ± 7 *,# | 195 ± 8 | 201 ± 6 |
HR, bpm | 196 ± 3 | 197 ± 3 | 193 ± 5 | 197 ± 3 | 195 ± 4 | 196 ± 2 |
VO2, mL·min−1·kg−1 | 34.5 ± 1.3 | 46.8 ± 2.1 *,**,# | 35.1 ± 1.2 | 41.6 ± 1.9 *,# | 34.6 ± 1.3 | 35.1 ± 1.0 |
