patellar retinaculum sprain

Introduction: A patellar retinaculum injury occurs when the fibrous connective tissues that support and stabilize the patella (kneecap) and direct its movement inside the femoral groove are damaged or torn. Maintaining appropriate patellar alignment during knee flexion and extension is largely dependent on these retinal structures, particularly the medial and lateral patellar retinacula. Pain, edema, instability,…