What does it mean if a cat’s back is arched?

What does it mean if a cat’s back is arched?

afraid

Is it normal for cats to have a hunched back?

Posture. Cats do a version of the little old person shuffle when they are stiff; they walk very gingerly and avoid the usual athletic leaps we are accustomed to seeing. Cats with abdominal pain may have a hunched back, tucking in their abdomen in a protective posture.