It’s the signature wrist-lock of Japanese budo style martial arts. It’s seen in traditional aikijujutsu, jujitsu, judo, and aikido.     The kotegaeshi involves supination of the wrist joint, which in turn, laterally rotates the forearm, creating a twisting of the radius and the ulna. “Kote” is literally “forearm” in Japanese. Since the elbow is only...Read More