Infrapatellar contracture syndrome is a condition of excessive scarring behind the patellar tendon, in the infrapatellar area.

Normal tissues below the patella and the patella in a normal position.

Infrapatellar contracture syndrome with the tissues scarred below the patella and the patella pulled down.
Patella infera or baja
Infrapatellar contracture syndrome may lead to chronic pain from increased pressure on the upper surface of the patella.
Synonyms:
Anterior interval arthrofibrosis
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CLINICAL PUBLICATIONS
Arthroscopic Resection of Fat Pad Lesions and Infrapatellar Contractures. Doner GP and Noyes FR. Arthrosc Tech. 2014 Jun; 3(3): e413–e416.
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