THE ANSWER MAY BE THE FEET
It's surprising how often people consult with a problem that keeps coming back. It my early years of chiropractic manipulation, a lot of feet were treated. The feet are not only the foundation of the rest of the structure, they are rich in nerve endings (mechanoreceptors). If joint play loss is a problem, signals to the brain can be affected. If the problem won't go away, the answer may be in the feet.