膝ひざ裏うら

noun

back of the knee; area behind the knee

Anatomical term for the popliteal region; used in everyday contexts as well as medical ones.

• 膝ひざ裏うらが痛いたくて、正せい座ざができない。

  The back of my knee hurts, so I can't sit in seiza.

• 膝ひざ裏うらを伸のばすストレッチを毎まい日にちやっている。

  I do a stretch for the back of the knee every day.