Harvard Health Tips
Click, snap, and pop
Do your hips and knees click, snap, or pop? If there?s no pain or swelling, the noises are not usually a sign of trouble. It?s a different story, however, if the noise occurs at the moment of injury, or if pain or swelling accompanies it; in that case, there may be joint damage that needs medical attention. In addition, a grating sound, called crepitus, may be a sign of arthritis.