Arcuate ligament

Dr Henry Knipe and A.Prof Frank Gaillard et al.

The arcuate ligament is part of the posterolateral ligamentous complex of the knee that is variably present, being found in ~65% (range 47.9-71%) of knees. It is a Y-shaped thickening of the posterolateral capsule, which arises from the fibular styloid and divides into two limbs:

In individuals with a large fabella, the arcuate ligament may be absent replaced by a thick fabellofibular ligament.

See also

Anatomy: Lower limb
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Article information

rID: 7989
Section: Anatomy
Synonyms or Alternate Spellings:

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Cases and figures

  • Posterior knee anatomy (illustrations)
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