When the sacroiliac joint subluxates there is tension on the sacrotuberous ligament and piriformis muscle. The tense sacrotub ligament can cause sacral unleveling as well as longiss. muscle tension. The piriformis tension can likewise cause hip pain and Sciatic irritation. Doing a logan basic hold on the sacrotuberous ligament, myofascial stretch on the piriformis as well as your adjustment to the SI will greatly help these dogs. If the Sciatic nerve is affected the dog may lick the affected leg as well due to neuralgia.