Ty Hopkins, Brigham Young University (IMAGE) Brigham Young University Caption BYU exercise science professor Ty Hopkins studies ankle injuries and why most people don't recover full stability. Credit Mark Philbrick/BYU 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.