Comparison of key exercise and training variables in ‘all-out’ sprint interval training (SIT) based studies on untrained individuals
| References | Study design | Sample size | Pretraining V̇O2max/V̇O2 peak (mL/kg/min) | No. of bouts per day | No. of bouts per week | Duration of WAnT bout(s) | Duration of training intervention (weeks) | Total time commitment per week (min) | Effect on V̇O2max/V̇O2 peak |
| Mean improvement (%) | |||||||||
| Present study* | NC | 16 | 21.7±5.7 | 3 | 9 | 30 | 8 | 13.5 | 14.0 |
| Gillen et al 10* | NC | 14 | 29.1±4.2 | 3 | 9 | 20 | 6 | 30.0 | 12.0 |
| Allemeier et al 11 | C | 11 | 48.7±6.7 | 3 | 9 | 30 | 6 | 41.5 | 12.5 |
| Burgomaster et al 43 | NC | 10 | 41±2 | 4–6 | 12–18 | 30 | 6 | 127.5 | 7.3 |
| Macpherson et al 7 | NC | 10 | 46.8±1.6 | 4–6 | 12–18 | 30 | 6 | 69.0 | 11.5 |
| Metcalfe et al 13 | C | 29 | 36.3±2.2 | 2 | 6 | 20 | 6 | 30.0 | 14.0 |
| Sandvei et al 31 | NC | 11 | 50.9±1.8 | 5–10 | 15–30 | 30 | 8 | 150.0 | 5.1 |
‘All-out’ encompasses intensities described by the authors of cited papers as maximal. Total time commitment per week includes warm up, sprint bouts and recovery intervals between bouts.
*Studies with untrained sedentary participants.
C, availability of a controlled group; NC, no control group; WAnT, Wingate Anaerobic Test.