Why do your joints sometimes crack and what does it mean?

Many people experience it: cracking knuckles and creaking joints. The sound often occurs during stretching or movement. According to National Geographic, the sound is caused by gas bubbles that form and burst in the synovial fluid, the lubricating fluid between the joints.

The question of whether cracking joints is harmful to health has been debated for a long time. National Geographic emphasizes that there is little evidence of a link to arthritis or joint problems. However, it is important to pay attention to any pain or other symptoms.

The phenomenon is not exclusive to the human body. Some animals also make similar sounds, although the causes and functions may differ. It remains a fascinating topic in medical science.

This report is a summary based on the mentioned source and is not medical advice. Always consult a doctor or pharmacist if you have complaints.