Zipline Injuries (IMAGE) Nationwide Children's Hospital Caption Between 2009-2012, the number of zipline-related injuries in the United States rose by nearly 56 percent according to a new study. Researchers at The Center for Injury Research and Policy at Nationwide Children's Hospital say most of the injuries involved children and nearly half were under the age of 10. Credit Nationwide Children's Hospital Usage Restrictions Please credit Nationwide Children's Hospital. 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.