Jump (IMAGE) University of Missouri-Columbia Caption Mackenzie Sconce jumps off a platform while Aaron Gray, associate professor of clinical medicine, measures her biomechanics using a video game motion sensor. Credit Photo by Rachel Coward Usage Restrictions None License Licensed 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.