The 16-year-old Sydney schoolgirl was in fourth place after the first run, navigating the course with a score of 67.70. She completed the event despite the injury.
Mari Fukada won the gold medal in the event.
Australia's Hickman suffers sternum injury in Olympic crash
Australian teenager Ally Hickman finished seventh in the Winter Olympics women's slopestyle final despite suffering a bruised sternum in a nasty crash at Livigno Snow Park.