" kyuho " was defined as archery and horsemanship , and the 7th head of the clan , sadamune ogasawara , who served emperor godaigo during the period of the northern and southern courts , was asked by the emperor ' to improve archery and horsemanship skills and to set new standards for manners , which samurai families should follow ' ; it was at this time that the ogasawara school ' s three arts of ' archery , horsemanship and courtesy ' were established as samurai manners . 糾法とは弓と馬を意味し、七代目の小笠原貞宗は南北朝時代 (日本)に後醍醐天皇に仕え「弓馬の妙蘊に達し、かつ礼法を新定して、武家の定式とするなり」という御手判を賜り、このとき「弓・馬・礼」の三法をもって小笠原流とする武家作法としてのその位置づけが確立。