Schematic (image) Osaka University Share Print E-Mail Caption a, Schematic showing that hypertrophied joint tissue exists behind the knee ligament. b, Protocol for removing muscles and isolating joint tissue. Credit Osaka University Usage Restrictions None 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.