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.
We all have different towns and we all have different things that we do in the course of the day. It may be that the student is a great artist or a great writer. When it comes to assistive technology we have to think about what is going to give that student the ability to do what they love without having to see roadblocks and go, "I can't do that”. There are so many tools out there, whether it's a communication app, a video app, a math tool. With assistive technology you are not making the student into what you want them to be.
Weight, height and body composition are important indicators for development. The tools used to measure these can be different for children with cerebral palsy.