How to break every bone Ninjutsu style- Akban
Yossi Sheriff, http://www.akban.org/about/sheriff.php , the Akban Academy founder, presents the Techniques of standing Ninjutsu arm locks in the AKBAN training syllabus.
Go to http://www.akban.org/wiki/Portal:_Nin... For a thorough look at one part of the AKBAN documentation project.