Why do your knuckles pop? - Eleanor Nelsen
Published May 5, 2015
Views 5.76M | Likes 99.9K | Comments 5.13K
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View full lesson: http://ed.ted.com/lessons/why-do-your-knuckles-pop-eleanor-nelsen 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. Lesson by Eleanor Nelsen, animati…
- Published
- May 5, 2015
- Made for kids
- No
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