屈くっ伸しん

noun, noun or participle which takes 'suru', transitive verb, intransitive verb

bending and stretching; flexing and extending

Refers to the action of bending and stretching joints or limbs, often in exercise or physical therapy. Can be used as a noun or with する as a transitive/intransitive verb.

• 毎まい朝あさ、腕うでの屈くっ伸しん運うん動どうをしている。

  I do arm bending and stretching exercises every morning.

• 膝ひざを屈くっ伸しんすると、関かん節せつが痛いたむ。

  When I bend and stretch my knee, the joint hurts.