Location
Sacral plexus, L4-S3.
Formed anterior to piriformis.
Structure
Peripheral nerve, afferent and efferent neurons or motor and sensory neurons
Function
Supply posterior thigh muscles
Skin supply
N/A until its divisions
Muscle supply
Tibial division: Semimembranosus Semitendanous Long head of biceps femoris Hamstrings portion of adductor magnus
Where to locate
Inferior to piriformis