"" (IMAGE) CNRS Caption Simulated running speed for Jakob Ingebrigtsen: during his race in Munich (blue line), with the maximal value of VO2 increased by 5% (green line), with anaerobic energy e0 increased by 5% (red line), with the maximal propulsive force fM increased by 10% (black line), and with kinetics increased by 5% (purple line). Credit © Amandine Aftalion Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.