noun
Refers to physical stiffness or tightness, often of muscles or the body, or a tense, rigid state. Commonly used in expressions like こわばりが取れる (the stiffness goes away).
肩のこわばりがひどくて、首が回らない。
The stiffness in my shoulders is so bad I can't turn my neck.
緊張で顔のこわばりが取れなかった。
I couldn't get rid of the tightness in my face from nervousness.