Canadians invented it in the seventies because apparently even tetraplegia wasn't going to stop them hitting each other.
Fun fact: Originally called murderball, it was invented in Winnipeg in 1976 by five athletes with tetraplegia.
Only sport where you can have a proper scrap and then just sit in a box for two minutes.
Fun fact: "Pucks are stored at -18°C before games so they glide instead of bouncing on the ice."