Knee clicking: Why your joints pop, when it’s harmless, and when it could signal serious damage

Knee clicking, or crepitus, is often harmless, caused by air bubbles or tendon movement. However, persistent clicking with ...
Chattanooga Times Free Press

Ask a Doctor: Your knee’s popping sound isn’t always cause for concern

Q: My knee makes a popping sound sometimes — should I be concerned? A: Knee noises can be unsettling, but they're not always a cause for concern.