Tendon Tapping (IMAGE) University of Wisconsin-Madison Caption UW-Madison researchers developed a simple, noninvasive wearable device that enables them to measure tendon tension while a person is engaging in activities like walking or running. Here, the device is placed over the Achilles tendon. Credit Renee Meiller/UW-Madison 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.