Posterior Knee Anatomy Tendons

Learn the muscles tendons bones and ligaments of the knee joint anatomy. On the sides of the knee are the medial collateral ligament mcl and the lateral collateral ligament lcl.

Quadriceps Tendon Tear Orthoinfo Aaos

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Posterior knee pain is a common patient complaint.

Posterior knee anatomy tendons. Most commonly the anterior cruciate ligament acl and posterior cruciate ligament pcl. Anterior cruciate ligament acl attaches the tibia and the femur. The differential diagnoses for posterior knee pain include pathology to the bones musculotendinous structures ligaments andor to the bursas.

The popliteus originates from the lateral femoral condyle the proximal fibula and lateral meniscus and attaches to the proximal tibia superior to the soleal line 3. These two prevent sideways sliding of the knee joint ad also brace it against unusual movement. An acl tear often leads to the knee giving out and may require surgical repair.

The posterior and lateral anatomy of the knee joint presents a challenge to even the most experienced knee surgeon. The popliteus tendon is an important cause of posterior knee pain because of its involvement in the plc and its location on the floor of the posterior fossa. The posterior cruciate ligament or pcl is one of the four major ligaments of the kneeit connects the posterior intercondylar area of the tibia to the medial condyle of the femurthis configuration allows the pcl to resist forces pushing the tibia posteriorly relative to the femur.

As with any injury an understanding of the anatomy and functional interactions of the posterolateral corner is important to diagnosing and treating the injury. Pcl tears can cause pain swelling and knee instability. The knee joint is the junction of the thigh and leg.

The pcl is an intracapsular ligament along with the anterior cruciate ligament acl because it lies deep. Knowledge of the bony topography will result in a greater number of anatomic ligament reconstructions a lack of familiarity leads to hesitancy when performing approaches in these areas of the knee. Gradual onset or chronic knee pain develops over time and is often caused by overuse.

Pain at the back of the knee is known as posterior knee pain. Pcl posterior cruciate ligament strain or tear. Forming an x on the inside of the knee are the anterior cruciate ligament acl as well as the posterior cruciate ligament pcl.

Acute posterior knee pain is sudden onset and includes sprains and strains. Here we explain the common causes of both sudden onset and chronic overuse pain behind the knee. Injuries to the plc often occur in combination with other ligamentous injuries to the knee.

Lateral collateral ligament or the fibular collateral ligament attaches the lateral side of the femur to the lateral side of the fibula and also limits sideways motion of your knee. Its located deep inside the knee and in front of the posterior cruciate ligament. Knee pain is more common in the anterior medial and lateral aspect of the knee than in the posterior aspect of the knee.

The Femoral Tibial And Fibular Posterolateral Knee