I'm not talking about ex-champions being 80-90 today, but for instance: Last year Belgium's best tennis player ever Justine Henin had to retire due to an elbow injury. Doctors said it would take a long time to heal and she might not be able to get back to the top of the game.
Today people say: she's done. People won't expect her to come back at the age of 40 BUT do you think it might be possible for young sports champions ( let's say around 30 yrs of age today) to come back within 20-25 yrs at their top level without noticing a difference in their game? We might be able to rejuvenate other people but will it be possible to get pro's back at their top level?














