noun, noun which may take the genitive case particle 'no', na-adjective
stoop; round shoulders; hunched back
Describes a posture where the back is rounded and the shoulders are hunched forward, like a cat arching its back. Can refer to the physical condition or a habitual posture. Often used with だ/な or の to modify nouns.
彼は猫背だから、背が低く見える。
He looks shorter because he has a stoop.
猫背を
I do stretches every day to fix my hunched back.