There are over 50,000 practitioners of chi ropractic in the U.S. and 26 chiropractic colleges worldwide. In 1997, one in twenty people visited a chiropractor. Note that systems invo lving the cranial nerves are not accessible to chiropractic manipulation. If spinal joints are not mo ving correctly, the balance and proper functioning of the nervous system can be disturbed. This misalignment, causing nerve interference, is called a subluxation.
Chiropractors also instruct patients in exercises and stretches to maintain spinal alignment.
Chiropractic training generally consists of 10 trimesters, which generally takes 5 years. Training begins with classes in the basic sciences and culminates with specialized classes on techniques of manipulation. Chiropractors do not have the authority to prescribe drugs. Following Neck Manipulation. This paper describes four case reports of lateral medullary stroke seen by the authors after chi ropractic neck manipulation.