Ron Bailey (IMAGE) University of Washington Caption Ron Bailey goes through the testing regimen, which takes about five minutes per cycle. The device on his waist is tracking any swelling or shrinking in his leg when he walks, stands and sits. Credit Mary Levin, U of Wash. Usage Restrictions Photo credit required. 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.