popliteus tendon tear
For the popliteus muscle some of these main symptoms that may be present in the event of a strain or tear. The popliteus muscle arises from the proximal posterior surface of the tibia and has insertions into the posterior portion of the lateral meniscus and the femur both deep and anterior to the lateral collateral ligament.
Posterior Cruciate Ligament Injury
The unhealthy tissue is gently debrided with a shaver.
. Level 3 The strain in the popliteus tendon is torn and movement is impaired. Popliteus tendon tenosynovitis Abstract This series of case suggests that the entity of tenosynovitis of the popliteus tendon is more common than once recognized. It was first described by Barnes in 1995 1.
The Popliteus Muscle tendinous unit is unique in that the distal muscular attachment is designated the insertion and the tendinous proximal femoral attachment is designated the origin. Partial tears may be treated conservatively whereas complete tears retracted beyond the popliteal hiatus require an open or combined approach. A vertical lateral meniscal tear in the red-red zone is also confirmed.
Usually where the muscle meets the tendon or where the tendon attaches to the bone. The popliteus muscle arises from three originsthat is the lateral femoral condyle the fibula head and the lateral meniscusand inserts into the proximal tibia above the soleal line. A case study published in 2014 by two radiologists in the USA reported the case of a bone formation in the popliteus known as a sesamoid bone same type of bone as a knee cap 10This sesamoid bone was referred to as a cyamella and is a rare occurrence in the posterolateral corner of the knee at the point where the muscle and tendon of the popliteus is.
It also facilitates sitting down and standing up. Isolated popliteus pathology is less common. Popliteus Tendon Injuries Orthopedics.
It acts to unlock the knees when walking by rotating the tibia inwards as the foot makes contact with the ground. The isolated rupture of the popliteus tendon is a very rare injury and it has been rarely reported in the literature as a cause of knee hemarthrosis and functional disabilities. Popliteus tendinopathies are rare injuries that can occur from overuse trauma or secondary causes such as sesamoid bones or calcifications.
Popliteal tendinitis involves irritation swelling and pain along the length of the tendon that courses lateral around the femoral condyle. A cause of pain on the outside of the knee Popliteus tendinitis also known as popliteus tendinopathy or tenosynovitis is a rare cause of pain at the back andor outside of the knee. Level 2 The strain in the popliteus tendon is lengthened because the ligament is stretched or ruptured.
National Center for Biotechnology Information. Arthroscopy is first performed and the popliteus is visualized. Popliteus tears and the lateral meniscus The popliteus is a small muscle at the back of the knee.
It is often seen with downhill running. Authors Connor Farrell John Kiel LaRae Seemann George G A Pujalte. Popliteus injuries are commonly seen in combination with injuries to the lateral meniscus and posterior cruciate ligament.
The muscle inserts into a triangular area along the posteromedial aspect of the proximal tibial metaphysic above the soleal line. Pain may arise from the muscle belly its tendon or the popliteus-arcuate ligament complex. Popliteus tendinopathies are rare injuries that can occur from overuse trauma or secondary causes such as sesamoid bones or calcifications.
A Grade 3 popliteus strain is very painful therefore you will tend to experience a burning or stabbing pain a lot of swelling and significant loss of strength. Popliteus tendinitis occurs when a strain to the popliteus tendon becomes inflamed. They present with nonspecific symptoms and should be considered in any patient with posterolateral knee pain instability popliteus tenderness and a positive Garrick test.
Causes of Popliteus Tendinitis. It also helps to pull the lateral meniscus out of the way when you squat. Grade 3 This type of grade of popliteus strain involves a complete tear rupture of muscle fibers.
Popliteus tendinopathy is rare but often misdiagnosed. It usually occurs from an overuse injury. In this case the tendon is found to have a full-thickness tear with retraction to the popliteal hiatus Fig 1.
Popliteus injuries or injuries of the popliteus musculotendinous complex occur within the scope of posterolateral corner injuries of the knee and include avulsions complete and partial tendinous and myotendinous tears as well as muscle injuries. It may be subjected to a number of pathologies including tenosynovitis acute calcific tendonitis rupture and even avulsion. Popliteus Tendinopathy sometimes referred to as popliteal tendonitis or tenosynovitis is a rare and poorly described cause of knee pain.
Pain in the back of the knee Tenderness when pressing on. It presents as posterolateral knee pain that is. Tears of the popliteus tendon should be characterized as partial or complete intra-articular or extra-articular and with regards to the proximity to the popliteal sulcus and the extent of retraction.
A high index of sucpicion and accurate palpation of the lateral aspect of the knee lead one to the diagnosis. Online ahead of print. Popliteus tendinopathies are rare injuries that can occur from overuse trauma or secondary causes.
The femoral insertion has a crescent shape with the superior aspect being concave 10. Politeus tendon anatomy 2. They present with nonspecific symptoms and should be considered in any patient with posterolateral knee pain instability popliteus tenderness and a positive Garrick test.
Generally this condition is poorly understood and misdiagnosed as other problems such as ligament or cartilage injuries. While most of the reported cases deal with tendon avulsions 1 6 or intra-substance ruptures 7 8 partial rupture has never been reported previously.
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