Welcome to National Disability Sports Alliance. The National Disability Sports Alliance (NDSA) is the National Coordinating Body for competitive sports for individuals with cerebral palsy, traumatic brain injuries and survivors of stroke. NDSA was originally formed as the United States Cerebral Palsy Athletic Association (USCPAA) in 1987. NDSA also provides programming for other physically disabling conditions such as muscular dystrophy and multiple sclerosis. pictures of car injuries