Sumo (or Riding) Stance is a Nia base move - one of six stances drawn from the martial arts. Like all stances, this move trains you to draw stability and power from your feet, legs and hips. Practice by placing your feet parallel, wider than your shoulders and equalizing the weight between the inner and outer edges. Consciously align the bones of your feet along the horizontal plane, legs vertical with a lengthening sensation both down and up. Continue below for Tips and video.