Kimberly Greder, Iowa State University (IMAGE) Iowa State University Caption Kimberly Greder says families in small, rural communities do not necessarily have usable outdoor space that is convenient or appropriate, such as parks or safe walking trails. Credit Christopher Gannon, Iowa State University 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.