Exercise (image) Joint Academy Share Print E-Mail Caption Example of osteoarthritis exercise using Joint Academy. Credit Joint Academy Usage Restrictions All multimedia is available for free and unrestricted media use with courtesy to Joint Academy. 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.