Medically reviewed by David Ozeri, MD Key Takeaways Cracking bones is actually just the sound of joints popping and is usually not a reason to worry. Painful joint cracking may be a sign of injury or ...

Have you ever heard the term crepitus? Probably not! But you do experience it every day. Crepitus is the grating, grinding, or crackling sound that accompanies the sensation produced by movement of ...