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The arcuate popliteal ligament is an Y-shaped extracapsular ligament of the knee. [ 1 ] [ 2 ] : 138 It is formed as a thickening of the posterior fibres of the joint capsule of the knee. [ 2 ] : 138 It reinforces the knee joint capsule inferolaterally.
The oblique popliteal ligament is a radiation of the tendon of the semimembranosus on the medial side, from where it is direct laterally and proximally. The arcuate popliteal ligament originates on the apex of the head of the fibula to stretch proximally, crosses the tendon of the popliteus muscle, and passes into the capsule. [10]: 206
Injuries to the PLC often occur in combination with other ligamentous injuries to the knee; most commonly the anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL). [2] As with any injury , an understanding of the anatomy and functional interactions of the posterolateral corner is important to diagnosing and treating the injury.
Arcuate popliteal ligament; B. Bifurcated ligament; C. Calcaneofibular ligament; Capsule of hip joint; Collateral ligaments of interphalangeal joints of foot;
Knee pain is pain in or around the knee. The knee joint consists of an articulation between four bones: the femur , tibia , fibula and patella . There are four compartments to the knee.
The common fibular nerve is the smaller terminal branch of the sciatic nerve. The common fibular nerve has root values of L4, L5, S1, and S2. It arises from the superior angle of the popliteal fossa and extends to the lateral angle of the popliteal fossa, along the medial border of the biceps femoris.
The arcuate ligament may refer to: Inferior pubic ligament (arcuate ligament of the pubis). Arcuate popliteal ligament. Arcuate ligaments of the diaphragm: Median arcuate ligament; Medial arcuate ligament; Lateral arcuate ligament
The oblique popliteal ligament (posterior ligament) is a broad, flat, fibrous ligament on the posterior knee. [1] It is an extension of the tendon of the semimembranosus muscle. [1] [2] It attaches onto the intercondylar fossa and lateral condyle of the femur. [2] It reinforces the posterior central portion of the knee joint capsule. [3]