Describes disorders of the patellofemoral articulation resulting in anterior knee pain
Aetiology
Encompasses and in many cases is synonymous with various diagnoses including chondromalacia patellae (softening of the hyaline cartilage), adolescent anterior knee pain and lateral patellar compression syndrome
Clinical presentation
Anterior knee pain, worse going downhill
Grinding or clicking sensation at the front of the knee and stiffness after prolonged sitting causing 'pseudolocking' where the knee acutely stiffens in a flexed position (in contrast to true locking from a bucket handle meniscal tear)
Investigations
Clinical diagnosis
Management
At least 90% of sufferers improve with physiotherapy aimed at rebalancing the quadriceps muscles (specifically strengthening vastus medialis obliqus, VMO)
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