Sacral spinal nerve 2

The sacral spinal nerve 2 (S2) is a spinal nerve of the sacral segment.[1]

Sacral spinal nerve
The plan of the lumbosacral plexus
LatinNervi spinalis
Anatomical terminology

It originates from the spinal column from below the 2nd body of the sacrum

Sacrum, showing bodies in center.


S2 supplies many muscles, either directly or through nerves originating from S2. They are not innervated with S2 as single origin, but partly by S2 and partly by other spinal nerves. They are most commonly known to govern the toes. The muscles are:

Additional Images


  1. American Medical Association Nervous System -- Groups of Nerves

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