Knuckle cracking is a common habit that many people engage in. It involves pulling or bending fingers to produce a popping or cracking sound. Here’s an overview of what is known about this habit:🫳🏼🫴🏾 Do you do this ? Causes of the Knuckle Cracking Sound🫰🏽🫴🏾 The sound produced when cracking knuckles is primarily due to the rapid release of gas bubbles from the synovial fluid, which lubricates the joints. When you stretch or bend your fingers, you create negative pressure within the joint,

What Causes That Knuckle Cracking Sound? | IFLScience