Why Are Some People Double Jointed

You might have a friend who is doublejointed and can bend their fingers in freaky ways. Why are they are so flexible Hosted by: Stefan Chin Support SciShow by becoming a patron on Patreon: Dooblydoo thanks go to the following Patreon supporterswe couldn t make SciShow without them Shout out to Kevin Bealer, Mark TerrioCameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Instagram: Sources: Image Source: