You think you understand the human body and the basic laws of physics and then you see a video like this. The guy in this video showing off his gymnastics-honed backflips skills will blow your mind.
Really gives me a newfound appreciation for Mario of Super Mario fame. He was doing this shit every day and he was pretty fattened up from a life of body-expanding mushrooms and spaghetti and meatballs. Not to mention the obvious handicap of being a plumber. Truly Italy’s greatest hero.