Shirley Rietdyk, Purdue University (IMAGE) Purdue University Caption Shirley Rietdyk, a professor of health and kinesiology, found that young adults fall more frequently than expected and most falls occur during everyday activities such walking and talking. These research findings are published in Human Movement Science. Credit Purdue University photo/Charles Jischke 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.