Exercise Study (IMAGE) Brigham Young University Caption BYU professor Robert Hyldahl and Ph.D. student Michael Deyhle study the repeated bout effect of exercise with a study subject Credit Mark A. Philbrick 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.