MIT Judo Club
Sean Robinson and Ma
rk Huang, February 12, 2000

Judo Basics


Descriptions taken from Massachusetts Judo Association, Inc.


What is Judo?

Judo is the most practiced martial art in the world. It is also an official sport played in the Olympic Games. Judo was founded by Professor Jigoro Kano in Japan, 1882. It was developed from the older jujitsu art, with the philosophy of "The gentle way" and "Maximum efficiency with minimal effort."

The sport of Judo is won by showing an advantage over an opponent using four major kinds of techniques. A full point (Ippon) is scored by:

A partial point can be scored by throwing and hold down techniques. Successful choke and armlock techniques always score a full point.

Judo is not only practiced in its competitive form. Judo increases a person's physical fitness, self-esteem, discipline and concentration. Both men and women, young and old can practice it.


How is Judo scored?

Ippon Throw:
Hold down:
Choke:
Armlock:
Penalty:
Opponent falls on the back with speed, force and control.
Opponent is held on the back for 25 seconds.
Opponent submits.
Opponent submits.
Opponent is penalized with Hansoku-Make.
Wazari Throw:
Hold down:
Penalty:
Opponent falls partially on the back or lacks speed, force or control.
Opponent is held on the back for 20-24 seconds.
Opponent is penalized with Keikoku.
Yuko Throw:
Hold down:
Penalty:
Opponent falls mostly on the side.
Opponent is held on the back for 15-19 seconds.
Opponent is penalized with Chui.
Koka Throw:
Hold down:
Penalty:
Opponent falls on outer thighs or buttocks.
Opponenet is held on the back for 10-14 seconds.
Opponent is penalized with Shido.

Notes: Two Wazari equal Ippon. In Round Robin system: Ippon=10 pts, Wazari=7 pts, Yuko=5 pts and Koka=3 pts.


Last updated May 27, 2001