Agura (sitting position) - Agura

Japanese: あぐら（座法） - あぐら

…Therefore, between its origin and insertion, it crosses two joints, the hip joint and the knee joint, passing in front of the hip joint and on the inside back of the knee joint, so its contraction bends the hip joint and the knee joint and adducts the lower leg at the same time. In other words, the contraction of this muscle results in the "cross-legged" posture. It is said that in the past, tailors worked cross-legged when they made clothes, and this is why it got its name. …

From 【Knee】

…This is the way Japanese women sit. The cross-legged position used by Japanese men was originally the sitting position of nobles, and it originated from sitting with one leg crossed on a floor stool called a kosho. When Kakinomoto no Hitomaro composed his poems, he sat with one leg crossed and the other kneeling. …

*Some of the terminology that refers to "Agura (sitting position)" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…したがって起始から停止までの間に，股関節と膝関節の二つの関節を越えるが，そのとき股関節の前面を通り，膝関節の後内側を通るから，その収縮によって股関節と膝関節を曲げ，同時に下腿を内転する。すなわち，この筋肉の収縮によって〈あぐら〉をかく姿勢となる。昔の洋服屋が仕立物をするときに，あぐらをかいて仕事をしたというが，そのときに縫工筋が働くということからその名がある。…