Creepy, back cracking teaser poster released for The Last Exorcism

MySpace Horror debuted this creepy teaser poster for the Eli Roth-produced horror thriller The Last Exorcism, which hits theaters on August 27, 2010. My only question is… how in the hell does she walk? Daniel Stamm directs The Last Exorcism, which stars Patrick Fabian, Ashley Bell, Jamie Alyson Caudle, Iris Bahr, Louis Herthum, Tony Bentley, ….