When the knee is bent or stretched, the bubbles can burst, causing a popping or cracking sound. Air bubbles do not cause pain and are considered harmless. Knee popping can happen when there's ...

Knee instability in women often due to patellar subluxation causes discomfort Learn about causes symptoms and prevention tips ...

Here, experts reveal the main causes of knee clicking as well as simple exercises that not only muzzle the noise, but also strengthen the muscles around your knee and ease more serious conditions ...