Table 1.
Selected subject characteristics from Study 1: sprint interval training and insulin sensitivity
| Sprint interval training | Single bout control | Sedentary control | P value | |
|---|---|---|---|---|
| Male/female | 5/7 | 2/7 | 2/8 | — |
| Age (years) | 29 ± 3 | 24 ± 1 | 23 ± 1 | 0.14 |
| Body mass (kg) | 75.8 ± 5.8 | 72.4 ± 5.1 | 80.3 ± 6.7 | 0.67 |
| Height (m) | 1.69 ± 0.03 | 1.66 ± 0.04 | 1.70 ± 0.04 | 0.75 |
| BMI (kg m−2) | 26.2 ± 1.3 | 26.0 ± 1.3 | 27.6 ± 1.7 | 0.70 |
| % Body fat | 29.6 ± 1.8 | 28.3 ± 2.5 | 31.0 ± 2.5 | 0.72 |
| Fat mass (kg) | 22.7 ± 2.8 | 20.8 ± 2.8 | 24.7 ± 3.2 | 0.67 |
| Fat-free mass (kg) | 52.8 ± 4.2 | 49.5 ± 4.3 | 53.9 ± 4.8 | 0.79 |
 (ml kg−1 min−1) |
32.7 ± 2.1 | 38.0 ± 3.9 | 35.1 ± 3.0 | 0.45 |
| HRpeak (beats min−1) | 188 ± 3 | 188 ± 4 | 192 ± 2 | 0.59 |
| RERpeak | 1.16 ± 0.03 | 1.16 ± 0.03 | 1.16 ± 0.04 | 0.99 |
Data are mean ±s.e.m. BMI, body mass index; HRpeak, peak heart rate; 
, peak oxygen uptake; RERpeak, peak respiratory exchange ratio.