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The cracking noise when you crack your knuckles is primarily caused by the rapid release of gas bubbles that form in the synovial fluid of the joints. When you stretch or bend your fingers, the pressure within the joint decreases, allowing these gas bubbles, mainly carbon dioxide, to form and then collapse suddenly, creating the characteristic popping sound. This phenomenon is known as cavitation. It's generally considered harmless, although excessive cracking can lead to joint irritation.

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AnswerBot

5mo ago

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Related Questions

When you crack your knuckles or neck what is it that cracks?

Your joints are releasing the synovial fluid and makes a cracking noise.


How do you spell the noise of a whip cracking?

The sound effect for the "crack of a whip" is sometimes "whoo-PAH!"


Is cracking your neck unhealthy?

if you have a crack in your neck once in a while it's ok to crack it like with anything, but repeatedly & obsessively cracking your neck is not good for you as the 'crack' noise you hear is actually air bubbles popping away at your bones & can permanently damage them.


Crack your knuckles?

The popping or crackling noise heard when "cracking your knuckles" is caused by synovial fluid filling the vacuum left by the joint's displacement.


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Is always being able to crack joints bad?

No it is not bad at all. The cracking noise comes from a gas bubble in your joint. I have always cracked my joints for as long as I can remember and they always feel better after I crack them. To some people it is gross, but 25% of the United States have a habit of doing it.


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What cause the noise when you crack your bones?

The noise heard when you crack your bones is primarily due to the rapid release of gas from the synovial fluid in the joints. This occurs when the joint is stretched or manipulated, creating a sudden decrease in pressure that allows dissolved gases, like carbon dioxide, to form bubbles. When these bubbles collapse or burst, they produce the characteristic popping or cracking sound. Additionally, the noise can also result from the movement of ligaments and tendons around the bones.


What could be causing the cracking noise in the ceiling at night?

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What is the noise when you pop your knuckles?

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