Here's what happens to your knuckles when you crack them

Duration: 1 minutes and 35 seconds
Published: March 09, 2015
Definition: HD
Views: 26.52 million
Channel: Vox
knuckle cracking cracking knuckles cracking your knuckles is knuckle cracking bad knuckle crack knuckles popping knuckles knuckle popping crack joints pop joints synovial fluid donald unger arthritis
One man cracked his knuckles in one hand for 60 years and not the other. Watch the video to see what he found out.

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