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What Happens When You Crack Your Knuckles?

What Happens When You Crack Your Knuckles?
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Description:
Charlie from Top 10s counts down the What Happens When You Crack Your Knuckles? What happens to your bones and joints in your fingers hands and knees when you pop them or they make a cracking noise? This sound is thanks to synovial fluid and in this animated video we will see what happens as well as if it is bad for you based on a study by a doctor called Donald L Unger! #Science #Animation #Facts

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Music: epidemicsound.com

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