Have you ever seen someone pull off an impossible feat of flexibility with their fingers because they’re “doublejointed”? What are only some people ‘doublejointed’, and what does it actually mean??

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Welcome to Colossal Questions, the show that answers all of life's most pressing questions!

Narrated by: Matt Schneck

Written & Directed by: Matt Levy
Edited & Animated by: Timothy Conroy
Executive Producer: Judy Meyers