The loud pop of a cracked knuckle is caused by synovial fluid, the thick lubricant that surrounds every joint. When the fingers are stretched or bent backward, the bones of the joint pull apart. This creates bubbles of air in the fluid, which subsequently burst
that's why it pops..
not sure if it get you fat finger or not... but my finger have been skinny since forever... hahahaha
Posted By Kiraxkage on February 09, 2007 at 00:16:10:
In Reply to: Re: cracking nuckles
posted by Luther on March 29, 2004 at 14:42:37:
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