Why do your knuckles pop?

Title:: Why do your knuckles pop?
Speaker:: Eleanor Nelsen
Description:: Some people love the feeling of cracking their knuckles, while others cringe at the sound. But what causes that trademark pop? And is it dangerous? Eleanor Nelsen gives the facts behind joint popping. [Directed by Steve Belfer Creative, narrated by Addison Anderson].

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Video Language:: English
Team:: closed TED
Project:: TED-Ed
Duration:: 04:22

	TED2 changed primary url from https://s3.amazonaws.com/ted.conferences/talk/transcript/2015E/None/EleanorNelsen_KnucklesPop_2015E-transcript.mp4 to https://s3.amazonaws.com/ted.conferences/talk/transcript/2015E/None/EleanorNelsen_KnucklesPop_2015E-transcript.mp4
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