what is segmental and somatic dysfunction?
 Somatic dysfunction is defined as the impaired or altered function of related components of the somatic (bodywork) system including: the skeletal, arthrodial, and myofascial structures, and their related vascular, lymphatic, and neural elements and segmental dysfunction means a term used in chiropractic for a focal misalignment (subluxation) of the vertebra, which, when treated by spinal manipulation, is believed to free “life forces” and allow the body to heal itself. 