In the best of two jumps qualification round, Perkins advanced through to the top-six final with a best score off 55.35 for her back layout single somersault. Just missing out behind Perkins in seventh place was Sidney Stephens with her back layout scoring 54.94.
In the one jump final, Perkins elected to jump her back layout again, this time scoring 54.53, which was enough to put her in fourth place.
In the men's event, Flanagan was 18th after scoring 59.65 on his back layout.
The three athletes also competed in the mixed team event, finishing in sixth place.