Spasticity is usually caused by central nervous system injuries, such as brain injuries or spinal cord injuries. Spasticity is a little different from stiffness.
When treating a child with CP, part of a pediatrician’s job is assessing and treating children with abnormal tone difficulties, as well as other muscular-skeletal problems. From around the age of two years, kids start to develop difficulties with muscle tone that can have an impact on their hip development.