Spasticity is usually caused by central nervous system injuries, such as brain injuries or spinal cord injuries. Spasticity is a little different from stiffness.
In order to get a good education, children need to access the curriculum. That's at the heart of their education. Some of the key challenges of getting students both their education and access to their voice in the class is simply understanding. Preparation for the student with disabilities is key. We have to foster success. We have to build a sense of success in the beginning. That starts with understanding the abilities of that student.
Every educator needs to make a decision about technology they need to put in place. They're not sure if they should put Option A in place or Option B in place. This can be particularly difficult in the world of disabilities because there might not always be a perfect answer. Teachers can look to this solution, using the least dangerous assumption to make good decisions about what technology might be best.