Fig. 4
From: Proximal medial patellar restraints and their surgical reconstruction

Cadaveric specimen where the VMO fibers nearly completely cover the MPFL and one has to “lift up” the VMO to expose the MPFL ligament. The “triangle of Tuxøe” is visible. In most cases of lateral patellar dislocation, the VMO is dysplastic and the MPFL is “uncovered” to varying degrees