Secrets of Judo. Jiichi Watanabe

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Secrets of Judo - Jiichi Watanabe

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1. Nami-juji-jime (normal cross strangle): 160 2. Kata-juji-jime (half cross strangle): 162 3. Kata-juji-jime (half cross strangle): a modification: 164 4. Okuri-eri-jime (sliding collar strangle): 166 5. Yoko-okuri-eri-jime (side sliding collar strangle): 168 6. Kata-ha-jime (single wing strangle): 170 7. Hadaka-jime (bare-hand strangle): 172 8. Ryote-jime (two-hand strangle): 174 Explanation of kansetsu-waza (elbow locks and twists): 176 1. Hiza-gatame (knee-elbow lock): 176 2. Juji-gatame (cross armlock): 178 3. Ude-garami (entangled armlock): 180 Index 783

      Illustrations

1. Nervous system: 26
2. Reaction time: 28
3. Unconditioned reflex: 29
4. Conditioned reflex: 29
5. Object and image: 32
6. Gravity and weight: 37
7. Center of gravity of a standing object: 37
8. Center of gravity of a suspended object: 37
9. Finding the center of gravity in a triangle: 38
10. Finding the center of gravity in a trapezoid: 38
11. Center of gravity and stability of a standing object: 39
12. Center of gravity and instability of a standing object: 39
13. Relative stability of standing objects: 39
14. Right natural posture (migi-skizen-tai): 41
15. Main natural posture (shizen-hontai): 41
16. Center of gravity in main natural posture: 41
17. Stability of main natural posture: 41
18. Main defending posture (jigo-hontai) and its stability: 41
19. Hiza-guruma (knee wheel): 41
20. Kuzushi (off-balancing): 41
21. Happo-no-kiiziishi (eight directions of off-balancing): 43
22. Dynamic coordination: 48
23. Coordination of forces: 48
24. Uki-otoshi (floating drop): 49
25. Combination of forces increases speed: 49
26. Right-triangle sitting position: 52
27. Right-triangle standing position: 52
28. Right-triangle kneeling position: 53
29. Stepping forward in right-triangle position: 53
30. Improper posture hampers use of abdominal force: 55
31. Defending posture does not permit quick movement: 55
32. Law of reaction: 62
33. Law of reaction: 63
34. Kicking force K produces reaction force F: 63
35. Force of momentum: 66
36. Force of friction: 66
37. Muscular contraction: 67
38. Partial and total muscular force: 67
39. Using force of gravity to assist in a throw: 69
40. Center of gravity at fulcrum: 69
41. Momentum plus muscular force beats muscular force alone: 71
42. Momentum supplements muscular force in a throw: 71
43. Impulse and impulsive force: 72
44. Harai-goshi: less effective means of inducing momentum: 74
45. Harai-goshi: more effective means of inducing momentum: 74
46. Friction varies with weight: 76
47. Friction assists in defense against a throw:

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