You can lie on your front and raise your head to curve your spine.

你可以面朝下趴着，然后抬头，使你的脊柱弯曲。

youdao

You can lie on your front and raise your head to curve your spine.

你可以面朝下趴着，然后抬头，使你的脊柱弯曲。

youdao