Gymnast (IMAGE) Nationwide Children's Hospital Caption Pediatric experts recommend national guidelines and proper supervision to help prevent some 27,000 injuries each year among children who practice gymnastics. Credit Nationwide Children's Hospital 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.