Pelvic Pain Neurologic Clinics OBTURATOR INTERNUS CONTRACTURE: AN UNDERAPPRECIATED CAUSE OF PELVIC FLOOR AND SCIATIC PAIN Published in Journal of Contemporary Chiropractic In the late nineteenth and early twentieth centuries some clinics and sanitariums used mechanical riding or vibrating devices as treatments for the broad and poorly defined diagnosis called hysteria. Doctors at the Garter Belts CUUP