Funny footage of a man in Canada attempting a backflip in a swimming pool. <br /><br />In the video, the man can be seen standing on a diving board, before making an audacious attempt at a backflip dive. <br /><br />It doesn't go well. Slow motion footage shows him smashing the water, face down. <br /><br />The filmer wrote online: "This is pretty much a 101 on how not to do a backflip off the diving board."