Oligo-articular JIA is the commonest sort of JIA. It has an effect on up to 4 joints in the body, mostly in the knees, ankles and wrists. Joint repair. in a few cases, joint surfaces is often smoothed or realigned to https://medium.com/@gwendolaf10/top-joint-pain-relief-tips-doctors-dont-always-tell-you-461c84138433