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The medial patellar retinaculum is a tendon of the knee that crosses the knee joint on the medial side of the patella. It plays important roles in the formation of the fibrous capsule of the knee and in the extension of the knee joint.
Explore the structure and function of the medial patellar retinaculum, a key stabilizer of the patella.
The Medial Patellofemoral Ligament (MPFL) is an hour-glass shaped ligament made of bands of retinacular tissue. The MPFL plays a significant role in the stabilization of the medial aspect of the patella.
Jan 4, 2018 · A new surgical method is introduced offering a less invasive approach to reattach the medial retinaculum following acute patellar dislocation. This retrospective analysis comprised 12 cases of medial retinacular repair in 10 patients.
Mar 16, 2023 · The medial patellar retinaculum is a fibrous expansion comprising of superficial and deep layers. The superficial layer originates from the lowest fibers of the vastus medialis muscle, sartorius and the medial collateral ligament. The deep layer has contributions from the medial patellofemoral ligament and fascial thickenings.
Jun 14, 2024 · Medial retinaculum tissue supports the fingerlike long bones of the foot and anchors the 7 centimeter-thick posterior tibialis tendon (PTT) – the largest of the flexor tendons in the ankle – from the medial malleolus (the inner knobby bone of the ankle) onto the calcaneus (heel bone).
Jan 15, 2019 · Intermittent pain with the sensation of instability or movement of the patella; may have swelling; locking can occur with loose body formation; may have tenderness over the medial retinaculum
Definition. The medial and lateral portions of the tendon of the Quadriceps pass down on either side of the patella, to be inserted into the upper extremity of the tibia on either side of the tuberosity; these portions merge into the capsule, as stated above, forming the medial and lateral patellar retinacula.
Although the surgical approach to patellar instability traditionally has been to realign the dynamic elements (muscle forces) that pull the patella laterally, newer techniques have sought to restore the integrity of key medial passive (ligamentous) stabilizers.
Jan 19, 2022 · In the medial compartment, the superficial layer is composed of the medial retinaculum, as described by Warren and Marshall . It is a continuation of the fascia lata enveloping the vastus medialis and the sartorius, and towards the pes anserinus adhering to ischiocrural muscle fasciae.
