I’m vacuuming right now and I just bend down on my knees and I hear a crack. Didn’t feel like a bone crack, but more like maybe I put pressure down on a ligament or something? But it didn’t hurt?
How can it be so loud sometimes when it’s incased in liquids & barriers and such of the human body?
In: Biology
Nearly all of your bones are open to the air, not hidden behind some barriers. Your bones *are* the barriers. So when a joint between two bones creates a sound, it’s basically as open to the air as your fingers are when you snap.
A lot of the sounds your body makes are mechanically very similar to snapping your fingers as well.
Sometimes the gases that build up in the joints get really built up like that. One time I got up from my chair and it sounded like I got shot. And I’m not even that old
Doesn’t it have to do with air bubbles in the synovial fluid in your joints popping?
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