Maximal rates of fat oxidation in men and women across different submaximal exercise intensities in the untrained state and after 12 weeks of SIT. *Indicates statistically significant increase from baseline (p<0.05). Maximal rates of fat oxidation in men and women across different submaximal exercise intensities in the untrained state and after 12 weeks of SIT. *Indicates statistically significant increase from baseline (p<0.05). SIT, sprint interval training. Liam Bagley et al. BMJ Open Sport Exerc Med 2016;2:e000056 ©2016 by BMJ Publishing Group Ltd