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What makes the sound when your back cracks while stretching, and why can’t the sound be made again until later when it needs to be cracked again?

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68 utenti della rete avevano questa curiosità: Spiegami: What makes the sound when your back cracks while stretching, and why can’t the sound be made again until later when it needs to be cracked again?
Spiegami: What makes the sound when your back cracks while stretching, and why can’t the sound be made again until later when it needs to be cracked again?

Ed ecco le risposte:

In each joint there are gasses. These gasses can get released when the joint gaps. It’s nitrogen gas that gets released. The joint doesn’t fill up with gas again until 30-60min after you “crack” it

You can see a video of the bubbles forming in this article.