Bony and surface anatomy of the knee with the superomedial, superolateral and inferomedial nerves shown. Note that the inferolateral genicular nerve is omitted as this is not blocked to avoid foot drop from the nearby superficial peroneal nerve.

Probe placement (probe marker in green) and corresponding ultrasound images for the superomedial (A), superolateral (B), and inferomedial (C) genicular nerves with color Doppler showing the corresponding genicular arteries.

Probe and needle placement with corresponding ultrasound images demonstrating needle positioning and post-injection local anesthetic spread between the muscle and bone (red star) at the superomedial (A), superolateral (B), and inferomedial (C) sites.

For a more detailed review please go to : https://www.acepnow.com/article/the-ultrasound-guided-genicular-nerve-block/