I changed gymnastics - Comaneci

BBC Radio 5 live will be focusing on the 'Great Moments That Shocked the World' from the Olympic Games in a three-hour special on Thursday 19 April from 1930 BST.

In this clip, former Romanian gymnast Nadia Comaneci recalls her monumental achievements at the 1976 Montreal Olympics, when, at the age of 14, she became the first female gymnast to score a perfect 10.00 at the Games.