Bent thumb knuckle strike, Koppō Ken, Ko ken - Ninjutsu

By Yossi Sheriff

Video of hold release using koppo ken


Koppo ken, Ko ken, 骨法拳 (קופו קן), is striking form in takamatzu den basic Ninjutsu hand strikes. This punch uses the bent knucle of the thumb to deliver short range, rotational, strikes to pressure points.

Image of Koppo ken hand configuration

Ko ken1.jpg

Meta perspectives

This technique incorporates these attributes of Meta Perspectives:

  1. Beginner level of expertise