Charles Day, M.D. (IMAGE) Henry Ford Health Caption Executive Vice Chair and Chief of Hand & Upper Extremity Surgery of Henry Ford Health System's Department of Orthopedic Surgery and the study's senior investigator. Credit Henry Ford Health System 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.