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The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting. is a Interesting Fact in the Interesting Facts category.
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Fact Comments
629 days ago
ashley
is that a bad thing or a good thing?
628 days ago
YaBoYsAnChEz
this is true, and not bad unless done alot
608 days ago
Greta
EW!
606 days ago
Khadija
Cool
595 days ago
smiles :D
wowww i cracked my knuckels right before i read this
378 days ago
Mr. Intelligence
Is this where the phrase "'Sorry to burst your bubbles" came from??? :-/
297 days ago
VIJAY
wowww i cracked my knuckels right before i read this
236 days ago
Brett Favre
No Mr. Intelligence, that doesn't even make sense unless you are cracking someone else's knuckles.
202 days ago
Charleme
It;s actually carbon dioxide, not nitrogen.
125 days ago
Anonymous
It's actually your synovial capsule expanding, leaving a vacuum like area which the capsule cannot fill, so the outer rim of the capsule slams against the fluid inside.
114 days ago
lolzers
anonymous person hurt my brain
7 days ago
Anonymous
I herd it was the "water" in-between your joints