Knee popping — also known as “Barbie knees” due to the sounds the doll makes when someone bends its knees — can be an unsettling experience, often leaving individuals concerned about potential ...

If you’ve ever popped or cracked your joints — by accident or on purpose — you’re not alone. There’s even a medical name for that crackling, clicking or popping sound your bones make: crepitus.

People may notice a slight popping or cracking sound when moving their neck. Often, the sound occurs due to the movement of air trapped within the fluid of the joints. It may also occur due to slight ...