Another comparison of Taiho Jutsu photos that we recently took, with the Keisatsu Kyōkasho Taiho-jutsu-hen 'Police Textbook: Arrest Techniques' (警察教科書 逮捕術篇) - publ. 1950.
The titles read
Give a single blow 一構けり
preparation 用意
Take a front stance. 正面の構えとなる。
Turn your left (right) knee slightly to the left (right).
左（右）ひざをわずかに斜左（右）にまげこ
He shifts his weight and turns his head to the right (left) to face the opponent.
れに体重を狂し、頭を右（左）に向け相手