The relationship of neural structures to arthroscopic posterior portals according to knee positioning

Abstract

In this cadaveric study, it shows that position of 90° knee flexion is reasonably safe, in order to establish a posterior portal in knee arthroscopy using the technique described in the current study, especially to avoid the sartorial branch of saphenous nerve and the common peroneal nerve injuries. Results of this study suggest the establishment of posterior portals, while the knee is flexed at an angle of 90° is recommended to ensure the safety of these structures.