Too often, people with disabilities are relegated to being passive when it comes to the arts.
Dyskinesia is an umbrella term encompassing a range of different movements. These are all movements that can be out of your control. Dyskinesia is very common in cerebral palsy.
I spent many years and many hours learning how to make the body work better, how to bring it out of pain. But that's not the human being alone.
Weight, height and body composition are important indicators for development. The tools used to measure these can be different for children with cerebral palsy.