Therapeutic Riding Articles
The Americans with Disabilities Act defines a person with a disability as “any person who has a physical or mental impairment which substantially limits one or more major life activities (walking, seeing, hearing, speaking, breathing, learning and working), has a record of such an impairment or is regarded as having such an impairment.”
Read more about therapeutic riding and disabilities in these articles from Strides magazine, published quarterly by PATH International (all documents are Adobe pdf files):
You can find extensive information on disabilities on the Web. For example, the National Dissemination Center for Children with Disabilities (NICHCY) offers fact sheets on a range of disabilities.