Radio 4 in Four - How do you get an edge on your opponent? - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - How do you get an edge on your opponent? - ÃÛÑ¿´«Ã½ Sounds
How do you get an edge on your opponent?
What is it that sports men and women do to give them the edge on their opponents?