Biden has issued an official statement about the incident.
The accident happened yesterday and today 78-year-old Biden was examined by an orthopedist as a precaution.
Former rescue dog
Biden has two dogs. He adopted the former rescue dog Major in 2018 and adopted his first dog Champ after the 2008 election.
Biden will be sworn in as president in January. Then he moves to the White House.
He has already said to bring his two dogs and he wants a cat too, he said earlier.