what makes knuckles crack is carbon dioxide bubbles in your knuckles along with cartilage.
The sound you hear when you crack your knuckles is actually the sound of carbon dioxide gas bubbles bursting.http://en.wikipedia.org/wiki/Knuckle_cracking
No he doesn't crack his knuckles. That's just his character name.
You can't. They get bigger as you crack them. Don't crack your knuckles or you'll resort to big knuckles!
No!
Not everyone can crack their knuckles. About half of those people who responded to an online poll could 'always' crack their knuckles, while a third could 'sometimes'. That leaves about 15 percent that said they could not crack their knuckles.
Your joints are releasing the synovial fluid and makes a cracking noise.
To crack your knuckles you simply pull back your knuckles in a 45 degree angle and it has to be up to 45 or else you might hurt your hand.
When you crack your knuckles, your bones are rubbing together. That's what makes the cracking sound. It used to be beleived that cracking your knuckles caused arthridis, but that been prooved untrue.
I Heard That It Makes Your Knuckles Big And Ugly.Stephanie.(:
2 out of every 3 Americans crack their knuckles. There are some theories that say cracking the knuckles may be harmful and can cause arthritis.
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yes