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Patellofemoral Joint |
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| In this test, the examiner places the knee in full extension and applies a medial translation force. Medial subluxation, which most often occurs in a patient after a lateral release, occurs in the ititial flexion arc of 0 - 30°. After this point, the patella reduces into the bony confines of the trochlear groove when the knee is flexed. | ||||||||||||||||||||||||
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| Initial starting point for assessment of medial patellar subluxation. A medial directed force subluxes the patella medially. | ||||||||||||||||||||||||
| Once medial subluxation is demontrated, the knee is flexed and the patella will reduce into the bony confines of the trochlear groove at about 30° - 35°. | ||||||||||||||||||||||||