The Knee Anterolateral Ligament Is Present in 82% of North Americans and 65% of Europeans but Only in 46% of Asian Studies: A Systematic Review of Frequency and Anatomy

The ALL is not consistently present in all patients with knee instability, and the indications for performing an ALL reconstruction or lateral tenodesis remain unclear based solely on morphological factors. As a result, the decision to perform these procedures may need to be made on an individualized basis.