What makes your knuckles pop?

Name: What makes your knuckles pop?
Uploaded: 2011-09-19T19:29:44+00:00
Channel: Brain Stuff
Description: Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff.

15y ago

15 years ago

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Brain Stuff

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howstuffworks
how stuff works
marshall
knuckle popping
anatomy

Learn more about the anatomy (and chemistry) behind that popping sound your knuckles make when you crack them in this episode of BrainStuff.

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