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The Juji Gatame Encyclopedia

Comprehensive Applications of the Cross-Body Armlock for all Grappling Styles

Steve Scott author

Format:Paperback

Publisher:YMAA Publication Center

Published:13th Jun '19

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This paperback is available in another edition too:

The Juji Gatame Encyclopedia cover

Juji Gatame remains the most consistently used joint lock in many grappling sports including judo, sambo, jujitsu, submission grappling, BJJ, and MMA. 

Athletes and coaches around the world use and respect this game-ending armlock.

Juji gatame was not widely popular until the 1960s, when the sambo grapplers of the former Soviet Union began their innovations with Japanese armlocks and groundfighting. With great success, they took their opponents to the mat, submitting them with never-before-seen applications of juji gatame techniques.


This comprehensive manual organizes juji gatame into four primary applications

  • Spinning juji gatame
  • Back roll juji gatame
  • Head roll juji gatame
  • Hip roll juji gatame

Steve Scott carefully breaks down the basics, analyzes the structure, and offers hundreds of variations so you can successfully win with juji gatame, even under stress.

  • A logical and systematic teaching method—for easy learning
  • A functional perspective showing hundreds of variations—your options
  • Juji gatame unbiased—inviting all grappling styles
  • Thousands of photographs—in action
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“This book is great. If it weren’t for the armlocks shown in this book, I’d still be working the graveyard shift as a night clerk in my local gym. This book goes into a lot of detail about the cross-body armlock. I recommend it!”
—Ronda Rousey, World MMA champion Olympic bronze medalist World Judo Championships silver medalist World under-21 judo champion Pan American Games and US National judo champion

“Steve is one of the foremost authorities on juji gatame in the world. This book reflects Steve’s pragmatic and realistic approach to teaching. Whether you are a world-class fighter or a novice in any fighting sport or martial art, you will benefit by studying this book.”

—John Saylor Director, Shingitai Jujitsu Association Past coach, US Olympic Training Center judo team Coach of national and international champions in judo, sambo, sport jujitsu, submission grappling, and professional MMA US national heavyweight judo champion

“Juji gatame is one of the most effective submission techniques ever invented, and Steve’s book truly is an encyclopedia on this armlock. This book represents years of training, research, and coaching at the world-class level.”

—Becky Scott, World and Pan American Games sambo champion US Olympic festival champion US national champion in judo and sambo

“If you stretched an opponent’s arm, they never forget you were the one who made them tap out. Juji Gatame Encyclopedia is a wealth of information on winning with juji gatame.”

—AnnMaria DeMars, PhD World and Pan American Games judo champion US national judo champion US Olympic festival champion

“Perhaps the quintessential submission hold that crosses boundaries between judo, sambo, jiu-jitsu, catch wrestling, and the myriad of other grappling styles practiced today is the armbar, or juji gatame, as it is known in judo. Regardless of the diverse opportunities that exist today for competitive grapplers, they all allow for armbars. Inasmuch, the armbar is without a doubt a universal joint lock that all grapplers must refine. As many competitive venues as there are for armbars, there are equally astounding numbers of juji gatame attack variations. Steve Scott has achieved no small feat with the Juji Gatame Encyclopedia. Anyone interested in advancing his or her armbar game must have this book in their collection.”

—Stephen Koepfer Head coach, New York Combat Sambo Founder, American Sambo Association

“Steve Scott’s knowledge of juji gatame really can, and does, fill an encyclopedia! The Juji Gatame Encyclopedia is the preeminent work on the straight armlock. It is an all encompassing and concise examination of juji gatame. Whether you are a judoka, a jiu-jitsu practitioner, or a sambist, this book will enhance your game.”

—Gregg Humphreys Judo, sambo, and Shingitai coach, Dynamo Combat Club International sambo coach Coach of many national and international sambo champions

“Steve’s book is terrific! His real-world knowledge of how to stretch an arm in juji gatame makes this book worth buying and reading.”

—Jan Trussell World and Pan American Games sambo champion US national champion in judo and sambo US Olympic festival champion

“I can’t count the number of times I’ve told my students that there are many variations of the locks I teach, and even more entries to get to the locks. Steve Scott doesn’t just say this; he illustrates it with the Juji Gatame Encyclopedia. This incredible tome focuses on one topic and one topic only: the cross-body armlock, or juji gatame in Japanese."

—Alain Burrese, JD, fifth dan Hapkido, Author

  • Winner of Best Book Awards 2019 (United States)

ISBN: 9781594396472

Dimensions: unknown

Weight: unknown

432 pages

2nd New edition