Yes, there are some physical and health impairments that are much more devastating to normal motor development.
Consider deafness for example. It is definitely a physical impairment that a student must live with, in many cases, for the rest of his/her life. However, it will not necessarily affect normal motor development. In the last school I taught at we had a boy who had lived the first two years of his life in an orphanage in Brazil. He had ...
This discussion focuses on the following question. Do some physical or health impairments affect normal motor development more than others do? Nearly 300 words of original text along with a couple of links to additional websites for further research.