The Secrets
of Judo
The Secrets of Judo
A TEXT FOR INSTRUCTORS AND STUDENTS
by Jiichi Watanabe
and Lindy Avakian
TUTTLE PUBLISHING
Tokyo · Rutland, Vermont · Singapore
Disclaimer: Please note that the publisher and author(s) of this instructional book are NOT RESPONSIBLE in any manner whatsoever for any injury that may result from practicing the techniques and/or following the instructions given within. Martial Arts training can be dangerous—both to you and to others—if not practiced safely. If you're in doubt as to how to proceed or whether your practice is safe, consult with a trained martial arts teacher before beginning. Since the physical activities described herein may be too strenuous in nature for some readers, it is also essential that a physician be consulted prior to training.
Published by Tuttle Publishing, an imprint of Periplus Editions (HK) Ltd.,
Copyright © 1960 Charles E. Tuttle Publishing Company, Limited
All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without prior written permission from the publisher.
Library of Congress Catalog Card Number: 59-14089
ISBN 978-1-4629-0263-7
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Contents
| List of Illustrations | 9 |
| Foreword | 13 |
| 1. The Art and Science of Judo | 17 |
| 2. How Can Dynamics Be Applied to Judo? | 25 |
| Nervous system: | 26 |
| 1. Sensory nerves: | 27 |
| 2. Motor nerves: | 27 |
| Reaction time: | 28 |
| 1. Reaction quickened by exercise: | 28 |
| 2. Unconditioned reflex action: | 29 |
| 3. Conditioned reflex action: | 29 |
| 4. Evaluation of the use of these three reactions in judo: | 30 |
| Nine cases in which reaction time becomes longer: | 31 |
| The unguarded moment: | 33 |
| 3. Three Principles for Practicing Judo | 35 |
| Break your opponent's posture before applying your throw: | 35 |
| 1. Stability of an object: | 37 |
| 2. Stability of a human body: | 40 |
| 3. How to break the opponent's posture: | 42 |
| Take advantage of the waist and abdominal region: | 47 |
| 1. The force of the waist and abdominal region coordinates all parts of the body: | 48 |
| 2. The force of the waist and abdominal region benefits the nervous system: | 50 |
| 3. The force of the waist and abdominal region can be developed by training: | 53 |
| Practice judo in a natural posture: | 55 |
| 1. The natural posture is best for practicing judo: | 56 |
| 2. Grappling techniques require a different type of posture: | 56 |
| 4. Three Laws of Motion | 59 |
| First law of motion: | 59 |
| Second law of motion: | 60 |
| Third law of motion: | 61 |
| 5. Kinds of Force | 65 |
| Muscular force: | 65 |
| Gravity: | 68 |
| Momentum: | 70 |
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