Smirnoff landed on the NFL pro Sunday, twisting her neck and banging her face, and she had to be taken to Cedars-Sinai Medical Center for possible whiplash and a dislocated jaw, a source tells PEOPLE.
The ballroom pro later Tweeted that she was "still a bit sore" but would make it to Monday night's semi-finals on Dancing with the Stars..
She writes that "not dancing isn't an option."
Jones faces teen actress Zendaya, singer Kellie Pickler, soap star Ingo Rademacher and Olympic gymnast Alexandra Raisman in the competition for the mirror ball trophy.
Jones and Smirnoff are set to perform the Lindy hop.
One couple will be eliminated Tuesday, with the remaining four competing in next week's finals.