Pain is a funny thing. Sometimes it is there and sometimes it is not. Focus on the pain only and you have missed more that 50 percent of the problem. Facet joints of the spine transmit sensory nerves to the facet joint about and below it as well as send messages to the brain about facet joint movement. If the animal has a subluxation and thus facet joint issues then pain will be transmitted to other locations. Upon palpation there may be a reaction [pain] in a facet joint that is not the primary issue at hand. Palpation of the spine to find the area of lost ‘springiness” will help determine where to adjust. Checking muscles for hypertonicity will help locate the region to check as well.