Healthy Knees: Study Looks at ACL Rupture and Arthritis (video) University of Delaware Share Print E-Mail Loading video... Caption With funding support from the National Institutes of Health (NIH), an interdisciplinary research team from the University of Delaware will examine why 30-60 percent of people who have ACL surgery develop osteoarthritis within five years. Please see the complete clip at https://www.youtube.com/watch?v=zC55VwwWd0Y. Credit Jeffrey Chase/University of Delaware Usage Restrictions Video must include credit to University of Delaware. Share Print E-Mail 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.