While training judo close contact between competitors is obvious. They use different techniques of throws, holds, levers and suffocations.
Every fight begins in upright position and throws which cause falls lead to win.
So children and youth must learn the techniques of soft falls or turnovers what is developed during continuous training. Techniques of holds, levers and suffocations specific for judo are rarely used. A surprise attack on the opponent may cause injuries of the attacked competitors body. Up to now dependencies among age, intensity and kind of injuries have not been explained yet. This paper deals with analysis of circumstances and reasons of body injuries according to age.