Table 2.
Effect of all-extremity HIIT and MICT on aerobic fitness, body composition and metabolic risk factors.
| CONT (n=14) | MICT (n=14) | HIIT (n=15) | ||||
|---|---|---|---|---|---|---|
| Baseline | Follow-up | Baseline | Follow-up | Baseline | Follow-up | |
| VO2peak, mL·kg−1·min−1 | 24.1±1.5 | 24.5±1.4 | 25.9±1.7 | 26.0±1.6 | 23.1±0.7 | 25.7±0.8* |
| VO2peak, L·min−1 | 1.72±0.11 | 1.76±0.11 | 1.93±0.13 | 1.95±0.14 | 1.72±0.10 | 1.91±0.11* |
| Body weight, kg | 73.2±4.5 | 73.4±4.4 | 76.8±2.7 | 76.1±2.5 | 73.0±3.7 | 72.8±3.5 |
| BMI, kg/m2 | 26.7±1.4 | 26.7±1.3 | 28.7±1.0 | 28.5±0.9 | 28.0±1.1 | 27.9±1.0 |
| Body fat, % | 34.1±1.9 | 34.1±1.7 | 37.5±2.2 | 37.2±2.0 | 38.8±1.8 | 37.9±1.8 |
| Fat mass, kg | 25.6±2.7 | 25.4±2.6 | 29.0±2.1 | 28.4±1.9 | 28.5±1.9 | 27.8±2.0 |
| Fat free mass, kg | 48.3±2.9 | 48.4±2.9 | 47.8±2.1 | 47.7±1.9 | 44.6±2.6 | 45.0±2.4 |
| Total cholesterol, mg/dL | 181±9 | 186±9 | 209±13 | 205±9 | 202±11 | 190±10 |
| HDL cholesterol, mg/dL | 54±3 | 60±4 | 59±4 | 57±4 | 66±6 | 66±6 |
| LDL cholesterol, mg/dL | 107±9 | 105±8 | 128±12 | 125±8 | 115±7 | 104±7 |
| Triglycerides, mg/dL | 96±11 | 106±12 | 114±14 | 116±16 | 103±21 | 96±13 |
| Glucose, mg/dL | 93±2 | 94±3 | 95±3 | 95±3 | 91±2 | 92±2 |
Data are mean±SE.
*
P<0.0001 vs. baseline.
CONT=control; MICT=moderate-intensity continuous training; HIIT=high-intensity interval training; VO2peak=peak oxygen consumption; BMI=body mass index; HDL=high-density lipoprotein; LDL=low-density lipoprotein.