3-D Model of the Test Subject's Knee (IMAGE) University of Eastern Finland Caption A 3-D model of the test subject's knee. The red lines represent ligaments and tendons, blue areas cartilages and green ones represent the menisci. Credit Kimmo Halonen 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.