Superficial fibular nerve at the crural fascia
The superficial fibular nerve runs through the lateral compartment of the leg and becomes subcutaneous by piercing the crural fascia in its distal third. That fascial opening is a described entrapment site. This page locates it on the 3D model and on ultrasound.
Anatomy of the passage
The superficial fibular nerve becomes subcutaneous as it pierces the fascia of the lateral compartment of the leg. That exit point is a described site of entrapment, associated in some cases with fascial defects, muscle herniation or the sequelae of trauma.
- Nerve
- Fibular nerve: fibular neck, ankle and leg
- Frequency
- Described site, less commonly seen.
- Type of evidence
- Anatomical and clinical review
References
- Drăghici NC, Văcăraș V, Bolchis R, Bashimov A, Domnița DM, Iluț S, Popa LL, Lupescu TD, Mureșanu DF. Diagnostic Approach to Lower Limb Entrapment Neuropathies: A Narrative Literature Review. Diagnostics (Basel) 2023. PubMed 37958280 · DOI
Ultrasound landmarks
In the distal third of the lateral leg, the superficial fibular nerve pierces the crural fascia between the lateral and anterior compartments and becomes subcutaneous.
Tests that load this nerve
Other sites of the same nerve
All entrapment sites
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