What's going on with the bones?

Bone joint always ring may be the following reasons: 1, bone joint ring is a physiological sound, this sound is not accompanied by pain, limited activity and other clinical symptoms, this sound does not need special treatment, generally only need to observe or hot compress. 2, if the bone joint ring, accompanied by such as playing sound or limited activity, or even pain and other performance, it is pathological sound. Pathological noise has many reasons, such as if the knee joint ring, it may be free body or meniscus tear, showing a snap; it may also be bone hyperplasia or patella softening, proliferation and synovial folds can cause a snap.