For most of her life she handled her own coat with a spine flexible enough to reach everywhere. Arthritis and simple stiffness change that quietly: the twist to reach her mid-back, hips and the base of her tail becomes uncomfortable or impossible, and those are exactly the areas that then grow dull, flaky and matted while the rest of her still looks respectable. Taking over that grooming is a genuine care need, not cosmetic fussiness, but it has to be done on feline terms. A senior cat who experiences grooming as being held down and worked on will avoid you, the brush and eventually the room.
Let Her Consent Run Every Session
Watch her body as your instructions. A cat who is accepting grooming leans gently towards the brush, stays loose, may purr, knead or half-close her eyes, and remains where she is by choice. The stop signals come earlier than most owners expect: the skin along her back rippling or twitching, the tail tip beginning to flick, ears rotating, a sudden turn of the head to stare at the brush, a paw lifting, or simply shifting her weight to leave. Any of those ends the session immediately, on a good note, with the brush put down rather than one final stroke attempted. Stopping early is what buys you tomorrow's session; pushing through spends her trust.
Set the session up to succeed. Choose a time she is already resting contentedly, in a place she chose, ideally after a meal when she is drowsy and warm. Keep sessions very short at first, genuinely a minute or two, covering a small area well rather than her whole back badly, and finish with something she values, a favoured treat or quiet companionship. Several brief, accepted sessions across a week groom a senior cat far more effectively than one long weekly battle.
Soften the Tools and the Technique
Work with tools that forgive: a soft-bristled brush, a dampened cloth for lifting loose hair and dander from the areas she cannot reach, or a wide-toothed comb used slowly through the coat without dragging. Avoid stiff slicker brushes and fine combs pulled through tangles on thin senior skin, which tears more easily and heals more slowly than it did when she was young. Keep her small kit together in the room where she rests, so a session never begins with searching, hovering or delay. Brush in the direction the coat lies, in long slow strokes, supporting her body with your other hand so she never feels pinned. If you find a mat, never pull it out and never cut close to the skin with scissors, since skin tents up into mats invisibly; work it gently with fingers across days, or ask her vet or a groomer experienced with senior cats to remove it safely.
Pay attention to what grooming reveals. Working along her back regularly, you will notice what she cannot show you: flaky or greasy patches where her tongue used to keep order, lumps, scabs, thinning fur, or a specific spot where she flinches or resents touch every single time. A consistent sore place matters more than an occasional grumble, because localised pain along the spine or hips is information her vet needs, particularly in a cat already stiff enough to have stopped twisting. Mention what you find at her next check rather than waiting for it to become obvious at a distance.
Those session notes gain value over months inside her Pet Passport on KinsLe, where a groomer or vet can see what she tolerated and where she flinched.