Woman holding painful knee while exercising outdoors

Chondromalacia Patella

Name: Knee Cap (Patella) Disorders
Creator: Prof Paul Lee

From £9,800

Guide price only. Final cost is confirmed after assessment.

Chondromalacia Patella, commonly known as 'runner's knee', is a condition characterised by the softening and damage of the cartilage beneath the kneecap (patella). This condition primarily affects young adults and teenagers and is more prevalent in women. The exact cause of Chondromalacia Patella remains unclear, but it's often associated with knee overuse, particularly in sports, and may result from misalignment or imbalance in knee muscles. Common symptoms include pain at the front of the knee, particularly when climbing stairs or after prolonged sitting, and a grinding sensation during knee movement.

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Reviewed byProf Paul Lee MBBch, FRCS (Tr & Orth), PhDLast reviewed 1 May 2026

Two clinicians reviewing knee MRI on desktop monitor

Understanding knee-cap pain
in chondromalacia patella

Chondromalacia patella describes softening and wear of cartilage beneath the kneecap, often causing front-of-knee pain, crepitus, and activity-related discomfort.

Symptoms may worsen with stairs, squats, running, or prolonged sitting.
Biomechanical factors and muscle imbalance often contribute.
Severity ranges from mild irritation to progressive cartilage degeneration.

Early, targeted treatment can reduce pain, improve tracking mechanics, and help avoid progression to more persistent joint damage.

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Diagnosis and tailored
treatment planning

We start with a specialist exam, movement analysis, and imaging when needed to confirm cartilage status and identify contributors such as maltracking or overload.

Load modification and focused physiotherapy to restore muscle balance.
Pain-relieving or regenerative injections where clinically appropriate.
Surgical options for selected severe or persistent cases.

At London Cartilage Clinic, each pathway is personalised to reduce pain, improve patellofemoral function, and support long-term knee health.

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Clinician preparing knee scanner equipment

Frequently Asked Questions

What makes chondromalacia pain worse?

Physical activities that place strain on the knees are likely to lead to the worsening of chondromalacia symptoms. Common examples include running, jumping, hiking, and sports involving dynamic leg movements. Staying in a seated position for long periods of time can also exacerbate the symptoms of chondromalacia.

What happens if chondromalacia is left untreated?

Untreated chondromalacia will lead to the complete degradation of the cartilage underneath the patella. This will leave the knee vulnerable to impacts and drastically increase the likelihood of osteoarthritis.

What distinguishes Chondromalacia Patella from other knee conditions?

Chondromalacia Patella is unique due to its specific location – the cartilage under the kneecap – and its common occurrence in young adults, particularly females.

How effective is non-surgical treatment?

Non-surgical treatments, including injections, magnetic therapy (PEMF), physiotherapy and medication, are effective in most cases, significantly improving symptoms without the need for surgery.