Did regan from The Exorcist her self with a cross?

In "The Exorcist," Regan MacNeil does not harm herself with a cross; however, there is a significant scene where she uses a crucifix in a disturbing manner. This moment is part of the film's exploration of her possession by a demonic force. The scene is meant to convey the Horror and intensity of her situation, rather than an act of self-harm.