When the knees are held at shoulder width, the force of the kick is directed straight back.

当膝盖限制在肩宽之内，力量直接指向身后。

youdao

When the knees are held at shoulder width, the force of the kick is directed straight back.

当膝盖限制在肩宽之内，力量直接指向身后。

youdao