LKnative - Posterior femoral cutaneous nerve block

4 – Anatomy: The subfascial trajectory of the posterior femoral cutaneous nerve

The posterior femoral cutaneous nerve runs deep to the fascia lata during most of its trajectory from the gluteal crease to the popliteal fossa

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The gluteal fascia and the fascia lata (starting at the gluteal crease) is depicted with green.
Inferior, middle and superior cluneal nerves (red, magenta and cyan arrows), posterior femoral cutaneous nerve (blue arrow), iliohypogastric nerve lateral branch (black arrow)