 This powerful stance is serves as the foundational stance for all of Uechi-ryū "kata", and it is used in the multitude of "kata" attributed to Kanryo Higashionna, from Sanchin to Suparimpei.Many advanced breathing techniques are exercised in this stance.Hangetsu-dachi (半月立, Halfmoon stance)
A version of sanchin used in some karate styles, particularly Shotokan.