Sacral spinal nerve 1

Sacral spinal nerve
The plan of the lumbosacral plexus
Details
Latin	Nervi spinalis
Anatomical terminology []

The sacral spinal nerve 1 (S1) is a spinal nerve of the sacral segment.

It originates from the spinal column from below the 1st body of the sacrum

S1 supplies many muscles, either directly or through nerves originating from S1. They are not innervated with S1 as single origin, but partly by S1 and partly by other spinal nerves. The muscles are:

Sacral spinal nerve 1

Sacral spinal nerve 1

Sacral spinal nerve 1