MSK MRI

https://youtu.be/lMx9cjkzNZw Three structural layers Layer 1:most superficial Fascia lata lliotibial tract with its anterior expansion Superficial portion of biceps femoris with its posterior expansion ​ Layer 2 Quadriceps retinaculum anteriorly Two patellofemoral ligaments or retinacula posteriorly Lavers 1 and 2 merges at lateral aspect of the patella ​ Layer 3:deepest layer The lateral joint ..

https://youtu.be/XVRwYJa4f2M 1. Tear of the popliteus tendon A. Posterolateral (arcuate) complex LCL Popliteus tendon Lateral head of gastrocnemius muscle Arcuate ligament Popliteofibular ligament Fabellofibular ligament Stoller's Orthopaedics and Sports Medicine: The Knee B. Posterolateral corner (PLC) injury Injury to a component of the lateral collateral ligament complex in association with a..

https://youtu.be/he2-XqAyvaA * The popliteomeniscal fascicles arise from the periphery of the posterior horn of the lateral meniscus and form a posterolateral meniscocapsular extension, which creates the popliteus hiatus. * The fascicles not only form the hiatus, which allows the popliteus tendon an avenue to course intra-articularly and maintain the integrity of the joint but stabilize and cont..

With popliteus tears, it is important to note - the site of the tear (intra- articular or extra-articular), - the extent of tear (partial or full-thickness), - the presence of a bone fragment if there has been tendon avulsion - degree of tendon retraction Partial-thickness tear of the popliteus tendon, High-grade partial tearing of the PT at its femoral insertion Most popliteus tears are extra-a..