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Patellofemoral Pain Syndrome !

Patellofemoral pain syndrome is pain around or behind the kneecap that worsens with squatting, stairs or sitting for a long time.

Updated 2026-10-23

Structures involved

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What it is

Pain around or behind the kneecap that worsens with squatting, stairs, or prolonged sitting.

Symptoms and signs

  • Anterior knee pain
  • Pain worse with stairs, squatting, or sitting with the knee bent

Diagnosis

Clinical
History and exam; imaging is usually normal

Treatment

Rehabilitation
Physical therapy focused on quadriceps and hip strengthening.

Educational information, not medical advice. For any symptom, see a health professional.

Sources: Patellofemoral Syndrome (StatPearls (NCBI Bookshelf), 2024).

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Representative model, for educational purposes only.

Patella highlighted on the Durgical 3D model