- Start tracking mobility now, not when you notice a limp — monthly notes on stairs, jumping, walks, and getting up from rest create a baseline your vet can't get from a single exam.
- Osteoarthritis affects up to 80% of dogs over 8 and 90% of cats over 12 — most are underdiagnosed because pets hide pain and owners miss gradual changes.
- A mobility record changes treatment timing — vets can start management months earlier when they can see your pet's trend line, not just today's snapshot.
You probably won't notice the first sign. It's rarely a limp. It's your dog taking an extra second to stand up. Your cat choosing the floor instead of the counter. A walk that used to be 40 minutes becoming 30. None of these things look like a problem on their own. But documented over weeks and months, they draw a line your vet can read.
According to the American College of Veterinary Surgeons, osteoarthritis (OA) affects approximately 25% of all dogs and up to 80% of dogs over age 8. In cats, a landmark study published in the Journal of Feline Medicine and Surgery found radiographic evidence of OA in over 90% of cats over 12 — yet fewer than 7% of cat owners reported mobility concerns to their vet. The gap is enormous, and it's a documentation gap as much as a detection gap.
Why does tracking mobility matter more than a single vet exam?
Your vet sees your pet for 15–20 minutes, often in an environment where adrenaline masks pain. A dog that can barely get into the car may trot into the exam room looking fine. A cat that hasn't jumped onto the bed in three months will still resist manipulation with enough intensity to look normal during a joint palpation.
What your vet can't do in a single visit is compare today to three months ago. That's what a mobility record gives them: context over time. "She used to go up and down stairs freely; three months ago she started hesitating at the top; last month she stopped using stairs entirely" tells a very different story than "she seems a little stiff."
What should you actually track?
You don't need a medical degree. You need consistency. Pick 4–6 observations and note them monthly (or whenever something changes). Here's a practical starting list:
| Observation | What to note | Red flags |
|---|---|---|
| Getting up from rest | How long does it take? Any visible stiffness? Does it improve after moving? | Consistently slow to rise; worse in the morning or after long rest |
| Stairs | Goes up and down freely? Hesitates? Avoids? | Starts bunny-hopping up stairs; refuses to go down |
| Jumping (cats especially) | Still jumping to usual spots? Using intermediate steps? | Stops jumping onto counter/bed/windowsill; overshoots or undershoots landings |
| Walk duration and pace | How far and how long before slowing or stopping? | Progressive shortening over weeks; lags behind where they used to lead |
| Play behavior | Initiates play? Duration before stopping? | Stops initiating; short bursts followed by rest; reluctance to chase or wrestle |
| Posture and gait | Weight shifting? Favoring a leg? Head position during movement? | Consistent weight shifting to one side; head bob (front limb lameness) |
When should you start tracking?
Now. The most valuable mobility record is the one that starts before there's a problem, because it establishes a baseline. When your vet asks "has this gotten worse?" you'll have actual data instead of guessing.
That said, certain factors increase the urgency:
- Large and giant breed dogs — Great Danes, German Shepherds, Labrador Retrievers, Golden Retrievers, Rottweilers. Joint issues often begin by age 4–6 in large breeds.
- Breeds with known joint predispositions — hip dysplasia (German Shepherds, Labs), elbow dysplasia (Bernese Mountain Dogs, Rottweilers), luxating patella (small breeds like Yorkies, Pomeranians).
- Overweight pets — excess weight is the single most modifiable risk factor for OA. Every extra pound accelerates joint wear.
- Cats over 10 — nearly all senior cats have some degree of OA, but cats are exceptionally good at hiding it.
- Any pet with a prior joint injury or surgery — ACL repair, fracture, or patellar surgery. The opposite limb frequently develops compensatory OA.
How does a mobility record change what your vet does?
A clear timeline of mobility decline gives your vet three things they can't get any other way:
- Earlier intervention. OA management (weight management, physical therapy, anti-inflammatory medication, joint supplements) is most effective when started before significant cartilage loss. A record showing "hesitation at stairs starting July, refusal starting September" triggers an exam and possibly X-rays months before "she's limping" would have.
- Objective treatment monitoring. "Is the medication helping?" is almost impossible to answer from memory alone. A record that shows walk duration went from 20 minutes back up to 35 minutes after starting carprofen gives your vet — and you — a real answer.
- Informed decisions at critical points. When it's time to decide between physical therapy, surgery, or palliative care, a record of how fast function has changed over the past year is the difference between guessing and deciding with data.
What about X-rays and lab work?
Mobility observations are the owner's half of the picture. Your vet's half includes:
- Radiographs (X-rays) — show bone changes, joint space narrowing, osteophyte formation. Baseline joint X-rays for at-risk breeds at 2–3 years old give your vet something to compare against later.
- Orthopedic exam findings — range of motion, joint effusion, crepitus, pain response. These should be documented at each exam.
- Blood work before starting medications — NSAIDs (carprofen, meloxicam, grapiprant) require baseline kidney and liver values and periodic monitoring.
When your vet emails these results to your pet's private Voocie address, they land in the record alongside your mobility notes. The next vet — or the specialist your vet refers you to — sees the whole picture: what you observed at home and what the clinic documented, on the same timeline.
Cats: the hidden arthritis epidemic
Cats deserve their own section here because feline OA is one of the most underdiagnosed conditions in veterinary medicine. Cats don't limp the way dogs do. They adapt. They stop jumping. They use a different route. They sleep more. They groom less — or stop grooming their lower back and hind legs entirely because it hurts to twist.
Signs to watch for in cats:
- No longer jumping to previous favorite spots (windowsills, counters, tops of cat trees)
- Using intermediate surfaces to get up or down (chair → floor instead of counter → floor)
- Matted fur on lower back or hind legs (can't reach to groom)
- Accidents outside the litter box (can't step over the high edge)
- Less play, more sleep
- Irritability when picked up or touched along the spine
In 2024, the FDA approved solensia (frunevetmab), the first monoclonal antibody for feline OA pain — a monthly injection. In 2023, librela (bedinvetmab) was approved for dogs. These treatments are changing what's possible for arthritic pets, but they still depend on the diagnosis happening first. A mobility record is how the diagnosis happens earlier.
FAQ
At what age should I start tracking my pet's joint health?
Ideally, start now — regardless of age. Baseline mobility observations in a young, healthy pet are the most valuable part of the record because they give your vet something to compare against when changes eventually begin. For large and giant breed dogs, tracking by age 2–3 is especially important. For cats, start before age 10 — by the time you notice stiffness in a cat, the arthritis is usually advanced.
How often should I record mobility observations?
Monthly is a good cadence for healthy pets. If you've noticed changes or your pet is on OA medication, weekly notes on 2–3 key observations (walk duration, stairs, getting up from rest) give your vet much better treatment-monitoring data. You don't need to write a lot — a few sentences per entry is enough.
What's the most commonly missed sign of arthritis in dogs?
Slowness to rise after resting. It's easy to dismiss as "getting older," but healthy joints don't require a warmup period. If your dog consistently takes 5–10 seconds to get up and then moves normally after a minute of walking, that pattern — stiffness that improves with movement — is a classic early OA sign worth documenting and discussing with your vet.
Can I track my pet's mobility in Voocie?
Yes. Add notes to your pet's health story as you observe changes. When your vet runs X-rays or starts a joint supplement, those records land in the same timeline through your pet's private Voocie email address. The result is one record with both your observations and your vet's clinical findings — exactly what a specialist needs to see if you're ever referred.
My cat won't limp. How do I know if it has arthritis?
Cats rarely limp with OA — they adapt by changing behavior. Watch for: no longer jumping to previous spots, using intermediate surfaces, matted fur on the lower back or hind legs (can't reach to groom), litter box accidents (edge too high to step over), less play, and irritability when touched along the spine. Over 90% of cats older than 12 have radiographic evidence of OA. Talk to your vet about a joint assessment at your cat's next wellness exam.