A martial art that arised in Japan in the mid-20th century. The basic of aikido is to use the opponent's strength against himself. Aikido is an ideal self-defense system that includes throws, strikes, chokelocks and submission holds.
Aikido technique is characterized by the use of circular motions when moving away from the line of attack and to unbalance the opponent, and since the applied goal of Aikido is to survive in an extreme situation, the techniques are directed against the most vulnerable parts of the body.
The philosophical idea of aikido is to show the opponent that aggression is useless.