• Question: How can someone be born double jointed ?

    Asked by 759heah26 to Bobby, Claire B, Claire C, David, Veasna on 15 Mar 2017.
    • Photo: Veasna Sum-Coffey

      Veasna Sum-Coffey answered on 15 Mar 2017:


      Great question! Being double jointed is genetic because of the muscles that allow you to outstretch your fingers or other limbs. The genes that allow these muscles to hyper-stretch can be passed on to future generations.

      I can stretch my thumb to my wrist, and so can my daughter! 🙂

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