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KNEE JOINT-CRUCIATE LIGAMENTS

Anatomy-Lower Limb

KNEE JOINT-CRUCIATE LIGAMENTS

TIP: mnemonic - LAMP: Lateral condyle to Anterior cruciate; Medial condyle to Posterior cruciate.

1. Named for their tibial origins. There is torsion of the ligaments.

2. ANTERIOR CRUCIATE LIGAMENT - arises from the anterior tibial plateau, in front of the tibial spine. It has 2 bundles: anteromedial + posterolateral. Attached to the lateral femoral condyle in the intercondylar notch. This is important in limiting extension + involved in the locking ('screw-home') mechanism.

3. POSTERIOR CRUCIATE LIGAMENT - arises from the posterior surface of the tibia. Attached to the medial femoral condyle in the intercondylar notch. The PCL is the only stabilizing factor in the weight-bearing flexed knee, hence the patient will have difficulty walking down hill.


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REFERENCES

1. Mcminn. (2003). Last's Anatomy. Elsevier Australia. ISBN:0729537528. Read it at Google Books - Find it at Amazon
2. Netter, F. H. (2019). Atlas of human anatomy. Philadelphia, PA: Elsevier.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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