What causes joint cracking or popping sounds?

Aug 24, 2022 Source: Cainiu Health
Disease description:

My body makes cracking sounds whenever I move, and I'm a bit worried. I'd like to know what causes joint popping?

Doctor's answer (1)
Dr. Lin Yunfei
Ligament laxity, calcium deficiency, etc., can compromise joint stability, leading to joint abnormalities and audible popping sounds. When calcium is deficient, friction and impact may occur during movement, resulting in such noises. Poor local blood circulation and muscle spasms can easily cause rubbing between muscles and cartilage, further producing sounds. Patients should avoid strenuous exercise in daily life and promptly supplement vitamin D.