What Happens When I Crack My Knuckles?
Discover what is happening when you crack your knuckles. And for starters, your knuckles don't crack, they pop. Biology - Human Body - Learning Points. Your knuckles do not crack - they pop! The noise is the bursting of a gassy bubble, formed when the space between your bones increases. A lifetime of cracking knuckles can be dangerous, causing swelling to your joints. Swelling to the joints in the hand can lead to a loss of gripping strength. A Twig Context Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.
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