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    17 Times Double-Jointed People Took It Way Too Far

    Well that looks like it hurts.

    First things first, WTF does "double-jointed" even mean?

    Twitter: @CommonBlackGirI

    It actually has nothing to do with "double" anything. The technical term is hypermobility or hyperextensibility of the joints, which means that the joint can move beyond the normal range of motion. "This happens because the tendons and ligaments, which make up the connective tissue around the joint, are too loose or flexible," Dr. Jennifer Hand, medical geneticist who specializes in hypermobility at the Mayo Clinic in Rochester, Minnesota, told BuzzFeed Life.

    You can have one or two hypermobile joints or a larger group, and in most cases it won't cause any problems or require treatment. But if the connective tissue around your joints is too loose, it can cause joint pain and increase your risk of dislocation and other injuries.

    It can be caused by a combination of factors, like age, genes, or even repetitive stretching, says Hand. In some cases it can be a symptom of a genetic disorder, such as Ehlers-Danlos syndrome (EDS) or Marfan syndrome, both of which affect connective tissue. If you have either of these conditions, it would be wise to talk to your doctor before doing any of these intentionally as it may increase your risk of pain or injury.

    And despite how freaky it looks, showing off your double-jointedness probably won't hurt you.

    "There's no clear evidence that these 'party tricks' people do with their hands or other body parts are harmful, especially if you just do it occasionally," Hand says. However, if you do have hypermobile joints and you start to feel pain, you should stop. Likewise, if your joint ever becomes dislocated, you should definitely see a doctor.

    That said, if you have EDS or Marfan syndrome, there's a larger chance of pain or dislocation associated with hypermobility, especially as you get older, she says. So if you have one of these conditions, it's best to talk to your doctor about what that means for you and your flexibility.

    SO, let's see some hypermobility. Ready?

    1. Are you even slightly bothered by this thumb?

    Flickr user: Moa CC / Via Flickr: valsen

    Probably not. Half the kids in elementary school whipped this one out.

    2. What about these freaky phalanges?

    Reddit User KnightOfTheStupid / Via i.imgur.com

    3. Does this hyperextensible hand trick make you feel uneasy?

    4. What about these knobbly knees?

    https://www.youtube.com/watch?v=TgQFrWJUr30
    https://www.youtube.com/watch?v=TgQFrWJUr30

    5. "Oh don't mind me, just folding my fingers in a way that should be physically impossible."

    i.imgur.com / Via reddit.com

    Seriously, try folding your fingers like that. Actually, don't.

    6. How do you feel about this harmless hand holding a Dasani?

    imgur.com / Via imgur.com

    COMPLETELY BACKWARDS! That is a palm facing you. A PALM.

    7. Can you watch this nightmare in action?

    Imgur user mariettia / Via imgur.com

    Is there a glitch in the matrix?

    8. Is this ankle off-putting?

    Reddit User DialForMurder / Via reddit.com

    9. Or are you more disturbed by these backwards-bending legs?

    Youtube user exwrestler125 / Via youtube.com / BuzzFeed

    10. What about these flexible fingers battling with a toothpick?

    Pretty cool, right?

    Youtube user funnysounding / Via youtube.com

    11. But how cool is this loosey-goosey leg?

    12. Or these finger goggles?

    Toosheds CC / Via Flickr: 7777617@N02

    13. What about this extra-extensible elbow?

    Imgur user mousenz / Via imgur.com

    14. Does this make you just shrug your shoulders?

    Youtube user xXcrazycaneXx / Via youtube.com

    15. How do you feel about this hypnotizing hand trick?

    Caroline Kee / Via BuzzFeed

    16. Ain't it the bee's knees?

    Youtube user exwrestlter125 / Via youtube.com

    Congrats! You made it!

    Logo / Via logotv.tumblr.com

    K BYE.

    Youtube user exwrestler125 / Via youtube.com

    Update

    This post has been updated to better explain the risks that can be associated with hypermobility as a symptom of EDS or Marfan syndrome.

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