The banner image shows a cam with a flat follower. Cams are used to convert rotary to linear motion. As the cam rotates, the follower rises and falls: Abrupt changes in the cam’s velocity results in large accelerations and cause the follower to jerk or chatter. In operating machinery, that is not a good thing, butContinue reading “CAMMING ACTION”
Tag Archives: irimi nage
GYAKU HANMI PROGRESSION
A class outline for progressive techniques from static gyaku hanmi katatae dori Gyaku hanmi katatae dori: what is it? A hand grab. Why? Uke stop-hits a thrust, taking control of nage’s knife hand. From the grab, each player needs to match extension to create the dynamic tension necessary for a static encounter. Nage’s focus isContinue reading “GYAKU HANMI PROGRESSION”
SPEAR HAND IN AIKIDO
Saturday morning practice at 0830 – it’s not for snowflakes. Shomen-uchi was the attack which of course could be a punch to the face. Don’t get stuck in linguistic ruts that occlude your ability to see the similarities. The warm up was suwariwaza with the basic dexterity familiarization: ikkyo, nikkyo, sankyo, yonkyo in a linkedContinue reading “SPEAR HAND IN AIKIDO”
Protective Arts 