Case Study: Frank
Conservative Management of Grade 3 Luxating Patella — From Significant Lameness to Off Medication and Back to Full Activity
Patient Summary
Presentation and Background
Frank’s owners noticed he was becoming lame in his left hind leg around Christmas 2024. By the time he was seen by his vet in January 2025, the lameness had become intermittent and variable, and examination revealed a grade 3 medial luxating patella — meaning the kneecap was sitting out of its groove most of the time, though it could still be guided back into place. There was already some muscle wastage in the affected leg. Frank was started on anti-inflammatory medication and referred for physiotherapy.
His vet was clear that surgery would offer the best long-term outcome at this grade. Frank’s owner had significant concerns about general anaesthesia, however, and asked whether conservative management could be explored first. The referral to physiotherapy was made with that goal in mind.
Frank was a lively four-year-old living with three other dogs, and very much wanted to be active. The challenge was managing his condition without restricting the quality of life that mattered so much to his family.
Rehabilitation Programme
When Frank arrived for his first session he was placing his left hindlimb to the side rather than under his hip, bearing only partial weight on it, and occasionally taking non-weight-bearing strides. The muscles at the front and back of his left thigh were noticeably wasted compared with the right. His patella was unstable through the range of knee movement. His rehabilitation was structured across four phases.
The early sessions focused on reducing pain and inflammation around the stifle using therapeutic laser, and beginning to encourage Frank to trust the leg again. Soft tissue work addressed tension that had built up through his back and the muscles around his left hip as his body compensated for the painful limb. At home, ice therapy was applied after walks, food bowls were raised to encourage sustained hindlimb loading at mealtimes, and non-slip runners were laid on wooden floors. A low paws-up exercise was introduced to gently shift weight onto the hindlimbs, and manual weight-shifting helped Frank experience loading through the left leg in a supported and comfortable way.
As weight-bearing improved, the programme shifted toward targeted strengthening of the left quadriceps and hamstrings, which had wasted significantly. Cavaletti pole work was introduced in a semicircle formation, encouraging the stifle to flex and the foot to place correctly with each stride. Sit-to-stand exercises were progressed carefully, with the hindlimbs placed on a wobble cushion to increase the demand on the muscles around the knee while also training Frank to control the patella through movement. Stimulatory tapping to the left thigh ahead of exercises helped activate the muscle before asking it to work. A home laser unit was introduced for the owner to apply between sessions, to support ongoing tissue management around the stifle.
By summer 2025, Frank was doing zoomies at home, coping with 20-minute walks on varied terrain, and showing no signs of lameness or stiffness. In consultation with his vet, anti-inflammatory medication was withdrawn — and Frank showed no deterioration at all. The exercise programme was maintained to continue building strength and symmetry, with balance challenges progressively increased. Side-stepping work around a cone and later over a ground pole was added to improve lateral limb control, which is particularly important for patella stability. Home laser was reduced gradually as function consolidated.
Through autumn and winter 2025 and into 2026, Frank continued to be managed at a maintenance level. Colder weather was managed without any change in his exercise tolerance. The home programme was kept consistent, and home laser continued as part of the ongoing routine. By his most recent session in March 2026 — over twelve months from his first appointment — Frank was assessed as having symmetrical hindlimb loading, no lameness at walk, palpably equal muscle mass in both thighs, and a comfortable stifle through full range of motion with no instability detected. His owner reported only an occasional brief skip on rising and a couple of minutes of mild stiffness — resolving quickly and requiring no medication.
The Result
Over twelve months, Frank went from significant hindlimb lameness — with partial weight-bearing, measurable muscle wasting, and daily reliance on pain medication — to managing 20-minute walks, playing freely with his housemates, and living entirely without NSAIDs. The 2cm asymmetry in thigh circumference measured at his first appointment reduced to just 0.5cm by the end of the treatment period. That is not just subjective improvement in how he looks and moves — it is measurable evidence of genuine muscle restoration in a limb that had been significantly wasted.
His stifle, which showed patella instability across the full range of movement at first assessment, was stable and comfortable through range at his most recent session.
What Made the Difference
Three things stood out in Frank’s recovery. Owner commitment to the home exercise programme was exceptional and consistent across twelve months — the massage, the pole work, the balance exercises, and the laser all happened at home, session after session, and that continuity is what allowed the clinic work to build on something. Progressive, responsive exercise prescription meant that the programme was never static: each session was adjusted to where Frank was that day, with exercises advanced or modified based on what his body was showing. And the combination of laser therapy in clinic and at home appeared to be a meaningful part of managing his stifle — a planned trial withdrawal of the home laser mid-treatment produced a noticeable dip, and reintroduction was associated with rapid recovery, which gave useful real-world evidence of its value for this individual.
Frank’s case shows that conservative physiotherapy, delivered consistently and with the right structure, can achieve outcomes that genuinely change quality of life — even in conditions where surgery is considered the gold standard.