 Fudō-dachi (不動立, unshakable stance) also called Sōchin-dachi (壯鎭立) after kata Sōchin
The body is positioned similar to shiko-dachi turned either 45 or 90 degrees to the side, except for the head which still looks forward.The front foot moves one foot-length forward, increasing stability and making it possible to perform a strong attack with the rear foot.Kōkutsu-dachi (後屈立, back long stance)
This is a mirror image of zenkutsu-dachi, where the rear leg is bent strongly at the knee and the front leg is either straight or slightly bent, depending on the style.