Table 1. Basic characteristics of anthropometrics and cardiopulmonary fitness in various groups.
|
HIT
|
MCT
|
CTL
|
||||
|---|---|---|---|---|---|---|
| Pre | Post | Pre | Post | Pre | Post | |
| Anthropometrics | ||||||
| Age (yr) | 22.3±0.2 | 22.5±1.0 | 22.4±0.9 | |||
| Height (cm) | 171.3±2.1 | 172.1±1.2 | 171.6±2.1 | |||
| Weight (kg) | 67.5±2.7 | 65.7±2.3 | 66.1±1.8 | 65.8±2.1 | 64.8±2.1 | 65.5±2.1 |
| BMI (kg/m2) | 22.7±0.9 | 22.2±0.9 | 22.5±0.7 | 22.2±0.7 | 22.3±0.5 | 22.3±0.6 |
| Cardiopulmonaryfitness | ||||||
| Ventilatory threshold | ||||||
| Workload (watt) | 114±5 | 149±5+‡ | 113±6 | 140±5+‡ | 121±2 | 118±6 |
| Workloadpeak (%) | 58.2±2.1% | 62.1±2.3%+ | 58.9±2.5% | 64.8±2.8%+ | 61.1±2.1% | 59.9±2.1% |
| VE (L/min) | 45.3±3.0 | 58.5±3.5+#‡ | 41.4±3.5 | 53.5±3.6+‡ | 45.1±2.5 | 44.7±2.3 |
| VO2 (ml/min/kg) | 26.4±1.2 | 34.6±1.8+#‡ | 26.8±1.1 | 32.1±1.4+‡ | 28.2±1.1 | 27.8±1.2 |
| VO2peak (%) | 56.8±2.8% | 59.8±2.1%+ | 57.9±2.2% | 61.8±2.3% | 61.4±2.2% | 62.1±2.4% |
| VCO2 (ml/min/kg) | 27.5±1.4 | 34.7±1.8+#‡ | 28.4±1.4 | 32.3±1.6+‡ | 28.5±1.0 | 27.9±1.3 |
| HR (bpm) | 151±5 | 156±4 | 149±4 | 154±3 | 149±3 | 149±4 |
| SV (ml) | 83.4±3.8 | 93.3±3.7+#‡ | 84.5±2.4 | 88.9±3.6 | 86.7±3.4 | 86.3±4.2 |
| CO (L/min) | 12.4±0.4 | 14.6±0.6+#‡ | 12.3±0.4 | 13.6±0.5+‡ | 13.0±0.6 | 12.8±0.4 |
| MAP (mmHg) | 122±3 | 120±3 | 120±3 | 120±3 | 121±5 | 119±3 |
| SVC (mL/min/mmHg) | 102.7±3.0 | 120.4±4.2+#‡ | 103.1±2.9 | 113.3±4.1+‡ | 104.2±3.5 | 104.6±4.4 |
| Peak performance | ||||||
| Workload (watt) | 196±6 | 240±7+#‡ | 192±4 | 216±7+‡ | 198±6 | 197±8 |
| VE (L/min) | 111.6±5.2 | 138.8±4.9+#‡ | 110.5±5.2 | 126.7±5.3+‡ | 115.2±6.4 | 117.0±6.2 |
| VO2 (ml/min/kg) | 46.5±1.7 | 57.9±1.6+#‡ | 46.3±1.5 | 51.9±1.3+‡ | 45.9±1.7 | 44.4±1.8 |
| VCO2 (ml/min/kg) | 56.6±2.2 | 67.8±2.1+#‡ | 55.0±1.7 | 62.7±1.6+‡ | 57.2±2.0 | 56.1±2.2 |
| HR (bpm) | 197±2 | 197±1 | 196±3 | 197±2 | 196±2 | 197±2 |
| SV (ml) | 76.2±4.5 | 93.5±2.1+#‡ | 78.8±3.2 | 85.3±5.1+‡ | 75.7±2.4 | 72.3±3.3 |
| CO (L/min) | 14.9±0.9 | 18.5.±0.8+#‡ | 15.1±0.6 | 16.8±0.7+‡ | 14.3±0.6 | 13.9±0.7 |
| MAP (mmHg) | 135±5 | 137±3 | 133±3 | 134±3 | 132±2 | 132±5 |
| SVC (mL/min/mmHg) | 110.3±4.5 | 135.0±4.2+#‡ | 113.5±4.9 | 123.2±6.7+‡ | 108.3±5.2 | 106.3±3.5 |
Values were mean±SE. HIT, high-intensity interval training group; MCT, moderate continuous training group; CTL, control group; Pre, pre-intervention; Post, post-intervention; BMI, body mass index; V E, minute ventilation; VO2, oxygen consumption; VCO2, carbon dioxide production; HR, heart rate; SV, stroke volume; CO, cardiac output; MAP, mean arterial pressure; SVC: systemic vascular conductance. n=10 in each group. +P<0.05, Pre vs. Post; #P<0.05, HIT vs. MCT. ‡P<0.05, HIT or MCT vs. CTL