Patellofemoral Arthritis — assessment and management in Brisbane
Patellofemoral arthritis is osteoarthritis of the joint between the kneecap and the groove in the thighbone. It causes pain at the front of the knee, typically worse with stairs, squatting and kneeling.

Patellofemoral arthritis is osteoarthritis of the joint between the underside of the kneecap and the groove in the thighbone that it slides in. It causes pain at the front of the knee, most often felt with stairs, squatting, kneeling and rising from a chair, and is frequently accompanied by grating or crackling as the knee moves.

Assessment focuses on confirming the source of pain and how it behaves, checking kneecap tracking and alignment, and distinguishing patellofemoral arthritis from other causes of anterior knee pain. X-rays help confirm that the arthritis is limited to the kneecap compartment. Contributing factors such as prior kneecap injury, alignment, muscle strength, activity load and body weight are also reviewed, because these influence both symptoms and progression.

First-line care is usually non-surgical — education and activity modification to reduce loading of the kneecap, weight management where relevant, simple analgesia or a short course of anti-inflammatory medication where appropriate, and a physiotherapy program targeting quadriceps strength and kneecap tracking. A corticosteroid injection may help a painful flare. Where symptoms progress despite conservative care, referral for an orthopaedic surgical opinion is the appropriate next step.

Common symptoms

  • Pain at the front of the knee, behind the kneecap
  • Pain with stairs, squatting, kneeling or rising from a chair
  • Grating or crackling (crepitus) when moving the knee
  • Stiffness after sitting for long periods with the knee bent
Evidence-informed treatment summary

How our treatment options may fit for Patellofemoral Arthritis

The options below include the treatments offered at The Back Pain Doctor. Listing a treatment does not mean it is recommended for this condition. The evidence, likely benefit and role of each option are considered against the diagnosis, examination findings, imaging where appropriate, patient goals, risks, cost and alternatives.

Foundation

Diagnosis, education and progressive rehabilitation

This is the starting point for most musculoskeletal conditions.

The priority is to identify the likely pain generator, explain the condition clearly, modify aggravating load and build a realistic plan to restore strength, movement and confidence.

Evidence is condition-specific; it is not a universal pain treatment.

Shockwave is best framed as an adjunct where the diagnosis fits. It is generally more established for selected tendon and plantar heel pain presentations than for many joint or nerve conditions.

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Evidence varies substantially by condition, tissue and preparation method.

PRP may be discussed in selected tendon or joint presentations. It should not be presented as a guaranteed regenerative treatment, and uncertainty, cost and alternatives should be discussed.

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Best used for specific inflammatory or irritable pain generators, usually for short-term relief.

An injection may help when a joint, bursa, tendon sheath or other defined structure is driving symptoms. It is not a cure and needs to be weighed against risks, recurrence and the need for rehabilitation.

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Clinical evidence is still developing and guideline support is limited.

EMTT may be discussed as an adjunct in selected presentations, but should be presented with clear uncertainty and never as a replacement for diagnosis, load management or rehabilitation.

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Selected cases

Prolotherapy

Evidence is condition-specific and generally less established than exercise-based care.

Prolotherapy may be considered in carefully selected chronic ligament, tendon or joint-related pain presentations, but it is not a first-line treatment.

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Most relevant when focal myofascial pain is a clear contributor.

Trigger point treatment may reduce pain from focal muscle spasm or myofascial tenderness. It should be paired with movement restoration, strength work and recurrence prevention.

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Relevant only when the history and examination support nerve irritation or entrapment.

Nerve-focused treatment may be discussed when there is a plausible peripheral nerve pain generator. Progressive weakness, major neurological deficit or red flags require a different pathway.

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This is general information only. Suitability is assessed individually. Treatments with limited or condition-dependent evidence may still be discussed, but only with clear explanation of uncertainty, expected benefit, risks, cost and alternatives. Red flags, progressive neurological symptoms or suspected serious pathology require a different pathway.

Frequently asked questions

How is patellofemoral arthritis diagnosed?
Diagnosis is usually clinical, based on the location and pattern of the pain and the examination findings, including how the kneecap tracks and whether there is crepitus. X-rays taken from several angles confirm that the arthritis is confined to the kneecap joint and show joint-space narrowing or bone spurs. MRI is added only when more detail on the cartilage is needed.
What does treatment involve?
First-line care is non-surgical — load and activity modification to reduce deep squatting and stair loading, weight management, simple analgesia or anti-inflammatory medication where suitable, and physiotherapy focused on quadriceps strength and kneecap tracking. A corticosteroid injection can settle a flare. Surgery is considered only when conservative care no longer controls symptoms.
Will I end up needing a knee replacement?
Not necessarily. Many people manage the condition for years with strengthening, load management and simple pain relief. If surgery is eventually needed and the arthritis is confined to the kneecap joint, a partial (patellofemoral) replacement may be an option; if other parts of the knee are involved, a total knee replacement is usually recommended. That is a decision for an orthopaedic surgeon.

Ready for a clearer plan for your back or musculoskeletal pain?

Book an assessment with Dr Joshua Hatch.

Your assessment focuses on understanding the likely source of your pain and the most appropriate non-surgical options for your diagnosis, with the aim of reducing pain and improving function.

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