WBV and Serial Casting for Children With Cerebral Palsy

This study is testing whether adding whole-body vibration (WBV) therapy — standing on a gently vibrating platform — to the standard serial casting treatment improves ankle flexibility in children with cerebral palsy who have tight ankle muscles (limited range of motion). **You may be eligible if...** - Your child is between 3 and 17 years old - Your child has been diagnosed with cerebral palsy - Your child's movement ability is at a mild to moderate level (GMFCS levels I–III — can walk with or without some support) - Your child has limited ankle movement (less than 10 degrees of upward flex) and has been referred for serial casting - Your family can communicate in English without an interpreter **You may NOT be eligible if...** - Your child has had a selective dorsal rhizotomy (nerve-cutting surgery for spasticity) - Your child had surgery on the legs in the past year - Your child received Botox or started new spasticity medication in the past 6 months - Your child has skin, circulation, or vascular problems - Your child has a history of cancer - Your child has reduced sensation in the foot or ankle, or is allergic to casting materials Talk to your doctor to see if this trial is right for you.