• Question: How does our knuckles pop?

    Asked by Avanti2005 to Ajay, Kate, Kuntal, Pip, Reka on 16 Nov 2016.
    • Photo: Reka Nagy

      Reka Nagy answered on 16 Nov 2016:

      When you pop your knuckles, you are moving the bones in them away from each other. This creates a negative pressure that quickly sucks the fluid present in your joints in, creating a popping noise.

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