BLACKSBURG, Va., July 6 -- Virginia Polytechnic Institute and State University issued the following news release:

Fatigue can be a daily challenge for children with developmental disabilities, affecting participation in school, play, and other activities. In a new study by Virginia Tech researchers from the Fralin Biomedical Research Institute at VTC, parents reported that children who were more physically active tended to experience less fatigue.

Published inBehavioral Sciences, the study examined relationships among physical activity, the physical demands of activity, and fatigue in children with cerebral palsy and Down syndrome compared with typically developing peers. Researchers collected information from both children and their pare...