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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
Arcuate popliteal ligament; B. Bifurcated ligament; C. Calcaneofibular ligament; Capsule of hip joint; Collateral ligaments of interphalangeal joints of foot;
The lateral collateral ligament (LCL, long external lateral ligament or fibular collateral ligament) is an extrinsic ligament of the knee located on the lateral side of the knee. [ 1 ] [ verification needed ] [ 2 ] Its superior attachment is at the lateral epicondyle of the femur (superoposterior to the popliteal groove); its inferior ...
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
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.
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]
Medial head: popliteal surface of femur; superior to medial condyle: Posterior surface of calcaneus via calcaneal tendon: Tibial nerve (S1, S2) Plantarflexes ankle when knee is extended; raises heel during walking; flexes leg at knee joint Plantaris: Inferior end of lateral supracondylar line of femur; oblique popliteal ligament