The oblique popliteal ligament: an anatomic and MRI investigation.

Purpose: Despite being the largest ligament on the posterior aspect of the knee, relatively little is known about the normal morphology of the oblique popliteal ligament (OPL). The aim of this study was to investigate the detailed anatomy of the OPL in cadavers and healthy volunteers.

Methods: The posterior knee was investigated in 25 cadaver lower limbs (mean age 76 ± 9.