© 2012, Tobias Westermann
In the area of hip throws (Koshi waza) are all throws where the power is transmitted through the contact points of TORI's hip to UKE. Of major importance in these techniques is that the center TORI´s gravity (area around the navel), is under and behind the center of UKE´s gravity. For this purpose it is necessary for TORI to kneel and pushes his buttocks backward while comeing up.
You have to differentiates between two throwing principles: