Zouma has been ruled out of action for a number of months after suffering the problem during the 1-1 draw with Manchester United in the Premier League at Stamford Bridge on 7 February.
The French defender underwent surgery to correct the problem in Barcelona last month and is now back in London to continue his rehabilitation.
And the 21-year-old appears to be making sure that he keeps a positive mindset as he continues his recover.
Zouma posted the picture above on his personal Instagram account on Monday afternoon and wrote: “focus 👍”
Chelsea were dumped out of the FA Cup by Everton after a 2-0 defeat at Goodison Park on Saturday afternoon.
That loss followed their disappointing Champions League exit at the hands of Paris Saint-Germain at Stamford Bridge last Wednesday night.
MORE: Man United latest news
MORE: Arsenal latest news
MORE: Chelsea latest news
MORE: Liverpool latest news