Table 1.
Change in body composition, aerobic power, resting heart rate, RQ, resting energy expenditure, carbohydrate, and fat oxidation for the high-intensity intermittent exercise and no exercise control group (N = 38; mean and standard error).
| Exercise | Control | |||
|---|---|---|---|---|
| Pre* | Post | Pre* | Post | |
| Weight (kg) | 87.8 ± 2.7 | 86.3 ± 2.7** | 89 ± 2.9 | 89.4 ± 3.1 |
| BMI (kg m−2) | 28.4 ± 0.5 | 27.9 ± 0.5** | 29 ± 0.9 | 29.1 ± 0.9 |
| Waist circumference (cm) | 93.3 ± 1.4 | 89.8 ± 1.4** | 93.7 ± 1.9 | 95.1 ± 1.9 |
| Fat mass (kg) | 29.8 ± 1.6 | 27.8 ± 1.5** | 31.7 ± 2.2 | 31.8 ± 2.3 |
| % Fat mass | 34.8 ± 1.1 | 32.8 ± 1.1** | 36.3 ± 1.4 | 36.0 ± 1.5 |
| Fat-free mass (kg) | 54.3 ± 1.5 | 55.5 ± 1.4** | 53.8 ± 1.3 | 54.2 ± 1.3 |
| O2peak (l min−1) | 3.0 ± 0.1 | 3.4 ± 0.1** | 2.6 ± 0.1 | 2.7 ± 0.1 |
| O2peak (mL kg−1 min−1) | 34.2 ± 1.0 | 39.4 ± 0.8** | 29.1 ± 1.3 | 30.6 ± 1.4 |
| Work output (watts) | 246.3 ± 8.1 | 289.8 ± 8.0** | 224.4 ± 7.3 | 225.9 ± 6.3 |
| HR (bpm) | 62.2 ± 2.5 | 57.9 ± 1.8** | 62.7 ± 2.0 | 63.7 ± 1.7 |
| RQ | 0.85 ± 0.01 | 0.83 ± 0.01** | 0.82 ± 0.02 | 0.86 ± 0.01 |
| REE (Kcal/day) | 1793 ± 54 | 1841 ± 56 | 1788 ± 58 | 1794 ± 53 |
| Carbohydrate oxidation (g/day) | 232.6 ± 14.3 | 201.5 ± 13.1** | 186.7 ± 22.3 | 252.1 ± 21.2 |
| Fat oxidation (g/day) | 93.8 ± 6.6 | 106.1 ± 6.5** | 110.2 ± 10.0 | 82.0 ± 10.9 |
*Pre vales were used as covariates for ANCOVA.
**P < 0.05, change in exercise group significantly greater compared to that of control group. BMI: body mass index; REE: resting energy expenditure; HR: heart rate; RQ: respiratory quotient; REE: resting energy expenditure.