Chiro.Org Blog:

As of Jan. 1, 2012, candidates for spine surgery must receive “prior authorization to determine medical necessity,” which includes verification that the patient has “tried and failed a 3-month course of conservative management that included physical therapy, chiropractic therapy, and medication.”

Chiro.Org Blog:

The kinetic aspects of spinal biomechanics are an important consideration in traumatology since the totality of function is essentially the sum of its individual components. However, although reminders are frequently given, the multitude of causes and effects of an articular subluxation complex (spinal or extraspinal) will not be detailed here that is primarily directed to chiropractic clinicians and advanced students who are well acquainted with standard hypotheses. For a detailed description, the reader is referred to Schafer RC: Basic Principles of Chiropractic: The Neuroscience Foundation of Clinical Practice.