when you crack your knuckles you are releasing nitrous oxide that is in your joints, hence the sound. i know there is the thought out there that it may cause athritis but i dont believe there is any basis for that.
Menu
when you crack your knuckles you are releasing nitrous oxide that is in your joints, hence the sound. i know there is the thought out there that it may cause athritis but i dont believe there is any basis for that.