Why Are Some People Double-Jointed? | COLOSSAL QUESTIONS

Have you ever seen someone pull off an impossible feat of flexibility with their fingers because they’re “double-jointed”? What are only some people ‘double-jointed’, 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