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What is patellofemoral pain syndrome (PFPS)?

Patellofemoral syndrome is an irritation of the tissue around and under the patella (knee cap). This irritation may be caused by weakness of the quadriceps and hip muscles, which allows the patella to move outside of its normal groove in the knee. Patellofemoral syndrome is characterized by pain around the patella (knee cap), pain with running, jumping, or stairs, and pain after sitting.

This answer provided for NATA by Loras College.

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