A.B.C. DU JUDO - published in 1938.
This is Moshe Feldenkrais’ first publication about Judo. Though it is Judo book, Moshe explains it it some of his ideas of Self defense. Here he demonstrate the use of Hadaka Jime for self defense – against a punch.
Pages 51- 52 – Translation from French.
Third strangulation
The weak man has a real interest to attack from behind. He will benefit by attacking in this manner, even if his opponent isn't surprised by it. The weak man can attack this way even if his adversary launches a frontal attack.
Let’s suppose that the adversary punches you with his right fist (to strike a blow with a flat hand is not allowed in the Judo combat; we are therefore talking about defense), step back the head while pushing the arm that hits you in the right side, by a quick movement with your left hand (figure 1) and do a small step forward with your left foot. You are now positioned behind the adversary, in a favorable position to introduce the lower arm below the chin (figure 2) and grab his right hand with your left hand, as suggested in figures 3 and 4.
Thrust suddenly your right knee forward to provoke a bending of your adversary's knee, thereby causing him to lose his balance from behind. Step back to allow him to go to the floor, but bend your knees so you can forcibly hold his head down. Make him lay down on the back and push his head forward with the help of the right shoulder that you press against his head and at the same time pull your arms towards you.
The adversary is forced to give up, being strangled by your lower arm placed against his throat and at the same time and above all, by the elongation of the cervical vertebras, provoked by the necks’ flexion. In order to perform this strangulation successfully, it is necessary not to grab the attacking arm of the adversary, but to deviate to the right side only.
The right knee’s flexion forward should be done simultaneously with a reversal of the adversary behind, generated by the arms that are acting on his neck.
The adversary must not be seated on his behind, but layed down fully on his back while you push his head with your right shoulder.

In order to resist this strangulation, it is necessary to use the four members (legs and arms) to return to the sitting position, by dragging the bottom along the floor, from behind, faster than the backward movement of the adversary.


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The Core Technique
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Unarmed Combat

 By Moshe
Feldenkrais, D.Sc
Foreword by
Moti Nativ